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3/8 Counterbore Screws
12-point Flange Screws, Counterbore Screws, Ferry Head Cap Screws or Counterbore Screws, feature a 12 point head and a flanged bearing surface. Usually fully threaded, the 12-point design provides for higher tightening torque, without edge rounding and they are covered under ASME Standard B18.2.1
2,252 12 Point Flange Screw (CounterBore), showing 200, (click on any line for more information)
| Search Results Sponsored by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit www.metric-threaded.com | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-16 x 1 | 3/8-16 x 1 zinc 12 point flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 3/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 7/8 | 12 pt flange screw alloy | 200 |
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| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| Optimas | IL | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 1/2 | 3/8-24x2-1/2 12-point counterbore screw astm a286 per drawing ppap | 4212 |
|
| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | 3/8-16 x 1-1/2 12 pt flange screw alloy steel | 87 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | 3/8-16 x 3/4 12 pt flange screw alloy steel | 34 |
|
| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 | 3/8-16 x 3 12 pt flange screw alloy steel | 43 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 3/8-16 x 2 12 pt flange screw alloy steel | 95 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2-1/4 12 pt flange screw alloy steel | 9 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 12 pt. ctrbr screw alloy | 180 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 12 pt. ctrbr screw alloy | 600 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 3/8-24 x 1 12 pt. ctrbr screw alloy | 96 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 12 pt. ctrbr screw alloy | 450 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 3/4 | 3/8-24 x 2 3/4 12 pt. ctrbr screw alloy | 29 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 3/8-16 x 2 12 pt. ctrbr screw alloy | 22 |
|
| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 3/4 | 12-pt flange scr gr8 counter-bor | 139 |
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| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 1/4 | 12-pt flange scr gr8 counter-bor | 435 |
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| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 3/4 | 12-pt flange scr gr8 counter-bor | 184 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | nc ferry c/s | 49 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | nf ferry c/s | 2 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | nf ferry c/s | 86 |
|
| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 | 3/8-16x1 gr8 12pt hd flange bolt plain | 200 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 gr8 12pt hd flange bolt plain | 300 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 1/2 | 3/8-16x1 1/2 gr8 12pt hd flange bolt plain | 200 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 2 | 3/8-16x2 gr8 12pt hd flange bolt plain | 200 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 | 3/8-24x1 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 1/4 | 3/8-24x1 1/4 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 1/2 | 3/8-24x1 1/2 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 2 | 3/8-24x2 gr8 12pt hd flange bolt plain | 50 |
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| TownCountry | AR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8 x 3/16 | adjustable counterbore #5 | 4 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | nc ferry c/s 170m psi 12-pt fl/b finish | 31 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | nc ferry c/s | 16 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | nf ferry c/s | 28 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | nf ferry c/s | 83 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | nc ferry c/s | 64 |
|
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | nc ferry c/s | 27 |
|
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | nc ferry c/s | 100 |
|
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/2 | nc ferry c/s | 46 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 3/8-16x1 12 pt counterbore bolt b18.2.1 | 50 |
|
| YANKEE | NH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | 3/8-16 x 2-1/2 12 point flange bolt-high tensile strength-alloy steel | 20 |
|
| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 | 3/8-24x2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 49,000 |
|
| Endries | WI | 12 Point Flange Screw (CounterBore) | null | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 3/8-16 x 1 1/2 | 3/8-16x1-1/2 alloy stl 170 000 psi 12 point flange screw hex chromium free zinc flake silver 240 hours to red rust | 65 |
|
| MESAFAST | CA | 12 Point Flange Screw (CounterBore) | Grade 9 | Plain | 3/8-24 x 3/4 | 3/8-24 x 3/4 hex flange gr9 12 point steel plain | 50.0 |
|
| OneMonroe | NC | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 point capscrew alloy | 1310 |
|
| OneMonroe | MN | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1-1/4 12 point flange bolt | 56 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 3 | 3/8-24 x 3 sae | 12 point counterbore screw | 5 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 4 | 3/8-24 x 4 sae | 12 point counterbore screw | 25 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 1 3/4 | 3/8-24 x 1 3/4 sae | 12 point counterbore screw | 17 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 sae | 12 point counterbore screw | 13 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/2 sae | 12 point counterbore screw | 22 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-16 x 2 1/2 | 3/8-16 x 2 1/2 | 12 point counterbore screw | 17 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 | 12 point counterbore screw | 82 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/2 sae | 12 point counterbore screw | 146 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 3/4 | 3/8-24 x 3/4 sae | 12 point counterbore screw | 12 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/2 | 12 point counterbore screw | 103 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 2 3/4 | 3/8-24 x 2 3/4 sae | 12 point counterbore screw | 25 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-16 x 2 1/2 | 3/8-16 x 2 1/2 | 12 point counterbore screw | 10 |
|
| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | SAE 12-pt counterbore screw | 163 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 12-pt counterbore screw | 48 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | 12-pt counterbore screw | 174 |
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| OneMonroe | MN | 12 Point Flange Screw (CounterBore) | null | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1-1/4 12 point flange bolt | 56 |
|
| OneMonroe | MA | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 point capscrew alloy | 1310 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 3/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 7/8 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 3/4 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 1/2 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 1 1/2 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 5/8 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 1 | 12 pt flange screw alloy | 8,950 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 1 3/4 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 3 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 3 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 3 1/2 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 plain 12 point flange bolts 50 500 | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Grade 5 | Black Oxide | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 gr.5 black header bolts | 380 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 plain 12 point flange bolts | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 plain 12 point flange bolts | stock |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 12 pt fl/b (counterbore bolt) | 400 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 | 12-pt c/s | 50 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 3/4 | 12-pt c/s | 100 |
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| American | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | 3/8-24x1-3/4 nf 12 point flange bolt w/nylon patch | 2050 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 (12 point) counterbore b18.2.1 | 974 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-24 x 1 | nf ferry c/s | 35 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/2 ferry head cap screw blk | 14 |
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| Field Fas | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Zinc/Clear | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/2 12 pt. counterbore screw gr 8 zc/rohs | 795 |
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| Raw Produ | NJ | 12 Point Flange Screw (CounterBore) | Steel | Galvanized | 3/8-16 | hex cap screws hdg 3/8-16 x 12 pt | 131 |
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| American | NY | 12 Point Flange Screw (CounterBore) | Steel | Cadmium | 3/8-24 x 1 | fl/b 12 pt cad pl | 400 |
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| Wurth Ind | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | scr 12pt flange alloy pl 3/8-16x1 1/4 steel plain | 9100 |
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| WINA | MN | 12 Point Flange Screw (CounterBore) | Aluminum | Plain | 3/8-16 x 1 1/4 | scr 12pt flange alloy pl 3/8-16x1 1/4 | 9100 |
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| Mansco | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1.781 butt soc cap scr w/serr blk organic w/header point-per print | 1168 |
| |
| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 point cap screw alloy b18.2.1 | 44 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | 3/8-16 x 1 1/2 12 point cap screw alloy b18.2.1 | 111 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 3/8-24 x 1 12 point cap screw alloy b18.2.1 | 60 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy znc b18.2.1 | 2224 |
|
| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/2 12 point cap screw alloy b18.2.1 | 72 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | 3/8-24 x 1 3/4 12 point cap screw alloy b18.2.1 | 39 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 12 point cap screw alloy b18.2.1 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point cap screw alloy partial thread b18.2.1 | 183 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 12 point cap screw alloy b18.2.1 | 16 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 12 point cap screw alloy b18.2.1 | 10 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 3/4 | 3/8-24 x 2 3/4 12 point cap screw alloy b18.2.1 | 37 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 1/2 | 3/8-24 x 3 1/2 12 point cap screw alloy b18.2.1 | 40 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3/4 | 3/8-24 x 3/4 12 point cap screw alloy b18.2.1 | 90 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 7/8 | 3/8-24 x 7/8 12 point cap screw alloy b18.2.1 | 41 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 12 point cap screw alloy b18.2.1 | 3 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point cap screw full thrd alloy b18.2.1 | 90 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 1/4 | 3/8-24 x 3 1/4 12 point cap screw alloy | 31 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 2 1/2 | 3/8-16x2 1/2 gr8 12pt hd flange bolt plain | 460 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 point cap screw alloy b18.2.1 | 140 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 3/8-24 x 1 12 point cap screw alloy b18.2.1 | 40 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 60 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | 3/8-24 x 1 1/2 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | 3/8-24 x 1 3/4 12 point cap screw alloy b18.2.1 | 30 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | 3/8-24 x 2 12 point cap screw alloy b18.2.1 | 15 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 3/8-16 x 2 12 point cap screw alloy b18.2.1 | 56 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 12 point cap screw alloy b18.2.1 | 50 |
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| SBS | MA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-16 x 3/4 | 3/8-16x3/4 12-point flange screw zinc | 11662 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3/4 | 3/8-16 x 3/4 12pt flange sc-counterbore 18-8 | 50 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5 | 3/8-16 x 5in 12pt flange sc-counterbore | 48 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 1/2 | 3/8-16 x 1/2 12pt flange sc-counterbore 18-8 | 2 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | scr 12pt flange alloy (pl) 3/8-16x1 1/2 (W020) | 9,484 |
|
| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | scr 12pt flange alloy (pl) 3/8-16x2 (W000) | 2,100 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 6 1/2 | scr 12pt grade 8 (pl) 3/8-16x6 1/2 (W030) (W030) | 888 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-16 x 1 | 3/8-16 x 1 zinc 12 point flange screws | stock |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/4 | 3/8-16x4 1/4 12 pt. flange screw 170m t.s. must meet 170 000 psi tensile strength min. | 40 |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 1/2 | 3/8-24x3 1/2 12 pt. flange screw 170m t.s. must meet 170 000 psi tensile strength min. | 33 |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 3/8-16 x 1 | 3/8-16x1 12 pt. flange screw gmw-3179h phos & oil must gauge 3a after plating | 791 |
|
| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | 3/8-16x1 1/2 12 pt. flange screw must meet 170 000 psi tensile strength min. | 1,171 |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 12 pt. flange screw 170m t.s. zy must be baked and relieved immediately after plating certs required | 160 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 | 12 pt countr-bor plain 3/8-16 x 3 | 100 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 12 pt countr-bor plain 3/8-16 x 2 | 75 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | 12 pt countr-bor plain 3/8-24 x 1 (FINE THREAD) | 67 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 12 pt countr-bor plain 3/8-16 x 1 3/4 | 75 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 12 pt countr-bor plain 3/8-16 x 2 1/4 | 102 |
|
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 12 pt countr-bor plain 3/8-24 x 2 1/2 (FINE THREAD) | 78 |
|
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | 12 pt countr-bor plain 3/8-24 x 1 1/2 (FINE THREAD) | 52 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5/8 | 12 pt countr-bor plain 3/8-16 x 5/8 | 1000 |
|
| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 3/8-16 x 3/4 | 12 pt countr-bor b7 xyl grn 3/8-16x3/4 | 112 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | screw 12pt flange all zf 3/8-24x1 1/4 drw (W030) (W030) | 58 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 12 point counterbore screw | 185 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | 12 point counterbore screw | 133 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12 point counterbore screw | 500 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 12 point counterbore screw | 205 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5 3/8 | 12 point counterbore screw | 73 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | 12 point counterbore screw | 220 |
|
| Delta Secondary | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 690 |
| |
| UltraFast | WA | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 2 3/4 | dbl hex torkss | inquire |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 12 pt flange bolts b18.2.1 | 2 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 3/4 | 3/8-16 x 4 3/4 12 pt flange bolts b18.2.1 | 104 |
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| General F | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 3/8-16 x 1 12 pt ctbr scr b18.2.1 | 529 |
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| OSSCO | RI | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 | 3/8-16x1 ferry ctrbore cap screw gr8 b18.2.1 | 13 |
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| OSSCO | RI | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 | 3/8-24x1 ferry ctrbore cap screw gr8 b18.2.1 | 50 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8 x 1 1/4 | 3/8x1 1/4nc ferry head cap scr b18.2.1 | 100 |
|
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 3/8-24 x 2 1/2 | 12 pt countr-bor phos 3/8-24 x 2 1/2 | 75 |
|
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 12 pt countr-bor plain 3/8-16 x 1 | 100 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 1/4 | 12 pt countr-bor plain 3/8-16x3 1/4 | 47 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 3/8-24 x 2 | 12 pt countr-bor phos 3/8-24x2 | 110 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 12 pt counterbore bolt | 41 |
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| BHAM | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | (12-pt) counterbore | 549 |
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| BoltCraft | NE | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 3/4 | 3/8-16 x 3-3/4 high strength 12-point flange head cap screw alloy partial thread 300/ctn | 2,400 |
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| FastWare | Sask | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | nc 12-pt ferry c/s | 430 |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5/8 | 12 pt counterbore screw | - |
|
| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5/8 | 12 pt counterbore screw | - |
|
| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12 pt counterbore screw | 98 |
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| Wurth Ada | MN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3/4 | scr 12pt flange alloy (pl) 3/8-24x3/4 | 600 |
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| Wurth Ada | MN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | scr 12pt flange alloy (pl) 3/8-16x3/4 | 300 |
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| CNB | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 1/2 | 12-pt c/s per dwg # 40221580 | 20234 |
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| API | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x .75 | screw spec flange 12-pt cap patch | 172 |
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| THRDFAST | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12 pt counterbore screw b18.2.1 | 204 |
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| Wurth Ind | D.F. | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 12 pt. counterbore screw | - |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 12 point flange bolt plain b18.2.1 | 89 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 12 point flange bolt plain b18.2.1 | 50 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point flange bolt plain b18.2.1 | 142 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 | 3/8-16 x 4 12 point flange bolt plain b18.2.1 | 82 |
|
| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 12 point flange bolt plain b18.2.1 | 331 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 3/8-16 x 2 12 point flange bolt b18.2.1 | 54 |
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| FACCA | Ont | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-16 x 3 1/2 | 12 point flanged countr-bor screw 3/8-16 unc-3a x 3 1/2 lg medium carbon alloy steel quenched & tempered not plated ifi 115-1986 b18.2.1 | 400 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 3/8-16x1 3/4 counter-bor alloy | 20,131 |
|
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Grade 8 | Zinc/Clear | 3/8-24 x 3/4 | scr 12pt flange gr8 (zi) pat 3/8-24x3/4 12 pt flange screw grade 8 zinc clear w/ patch per print | 635 |
|
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | 3/8-16 x 1 countr-bor screw alloy | 16,600 |
|
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | 3/8-16 x 1-1/2 countr-bor screw alloy | 12,009 |
|
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/4 | 3/8-16 x 4-1/4 countr-bor alloy pack 150 per poly bag | 650 |
|
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 1/2 | 3/8-16 x 3-1/2 countr-bor alloy pack 90 per poly bag | 405 |
|
| FMP | MA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 | 12-point external wrenching bolt | 100 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | nc 12 pt fl/b pl | 170 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | nc 12 pt fl/b pl | 2 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | nc 12 pt fl/b pl | 172 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | nc 12 pt fl/b pl | 4 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 | nc 12 pt fl/b pl | 47 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 7/8 | nc 12 pt fl/b pl | 94 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | nc 12 pt fl/b pl | 3 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | nc 12 pt fl/b pl | 32 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3/4 | nf 12 pt fl/b pl | 25 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/2 | nf 12 pt fl/b pl | 140 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | nf 12 pt fl/b pl | 54 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 3/4 | nf 12 pt fl/b pl | 97 |
|
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 | nf 12 pt fl/b pl | 55 |
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