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2 inch length 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
114 results, (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 | Black Oxide | 1/2-20 x 2 | 1/2-20x2 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 | 7/16-20x2 alloy 12 point flange bolt | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 7/16-14 x 2 | 7/16-14 x 2 alloy zinc 12 point flange bolts | 450 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-18 x 2 | 12 pt flange screw alloy | 500 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 | nf ferry c/s | 74 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 | nf ferry c/s | 42 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 | ferry c/s | 41 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 1-14 x 2 | nf ferry c/s | 6 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 2 | nc ferry c/s | 103 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | nc ferry c/s | 65 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-9 x 2 | nc ferry c/s | 142 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 2 | nf ferry c/s | 75 |
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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 | 5/8-18 x 2 | nf ferry c/s | 6 |
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| Century | FL | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 2 | l-3 communications 6518300-050 5/16-24 x 2 12 point bolt 304300 s/s | 8059 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 7/16-14 x 2 | 7/16-14 x 2 alloy zinc 12 point flange bolts | 450 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-18 x 2 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 2 | 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 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 7/16-14 x 2 | 12 pt flange screw alloy | 11,340 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-13 x 2 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 7/16-14 x 2 | 12 pt flange screw alloy | 200 |
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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 | Black Oxide | 9/16-18 x 2 | 9/16-18 x 2 alloy blk 12 pt flange screws f/thread | 4,078 |
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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 2 | 3/8-24x2 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 7/16-14 x 2 | 7/16-14x2 gr8 12pt hd flange bolt plain | 100 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/2-13 x 2 | 1/2-13x2 gr8 12pt hd flange bolt plain | 150 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/2-20 x 2 | 1/2-20x2 gr8 12pt hd flange bolt plain | 25 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 2 | 5/8-11x2 gr8 12pt hd flange bolt plain | 1 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 2 | 5/8-18x2 gr8 12pt hd flange bolt plain | 5 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-14 x 2 | 7/8-14 x 2 nf ferry head c/s plain | 65 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 | 3/8-24 x 2 12-pt flange bolt 17-4 ph s/s | 49 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/8-11 x 2 | 5/8-11 x 2 12-pt flange bolt 17-4 ph s/s | 72 |
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| CNB | IL | 12 Point Flange Screw (CounterBore) | null | Zinc/Clear | 3/4-10 x 2 | 3/4-10 x 2 12 point cap screw zinc plated | 25 |
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| NAPPCO | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 1/2-13 x 2 | 1/2-13x2 a193 b7 ext flange c/s 12pt | 50 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 | 1/4-20 x 2 12 pt flange screw alloy steel | 96 |
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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 | 1/2-13 x 2 | 1/2-13 x 2 12 pt flange screw alloy steel | 32 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 2 | 7/16-14 x 2 12 point flange screw alloy steel plain (bd8flb03502014p-s/50) (bd8flb03502014p/500) | 85 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 | 1/2-20 x 2 12 pt flange screw alloy steel (170 000 psi) | 25 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 | 5/16-24 x 2 12 pt. ctrbr screw alloy | 100 |
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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 | 3/8-16 x 2 | 3/8-16 x 2 12 pt. ctrbr screw alloy | 22 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | #12-14 x 2 | #12-14 x 2 hwh seal drill flange hd #3pt | 20989 |
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| Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 | 12-pt fl/b - 12-pt fl/b | 100 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 5/16-24 x 2 | 5/16-24 x 2 sae | 12 point counterbore screw | 41 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 1/2-20 x 2 | 1/2-20 x 2 sae | 12 point counterbore screw | 1 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 5/16-24 x 2 | 5/16-24 x 2 sae | 12 point counterbore screw | 83 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 7/16-20 x 2 | 7/16-20 x 2 sae | 12 point counterbore screw | 42 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 7/16-14 x 2 | 7/16-14 x 2 | 12 point counterbore screw | 16 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 5/8-11 x 2 | 5/8-11 x 2 | 12 point counterbore screw | 31 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 5/8-11 x 2 | 5/8-11 x 2 | 12 point counterbore screw | 25 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 1/2-13 x 2 | 1/2-13 x 2 | 12 point counterbore screw | 66 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | null | Plain | 7/16-20 x 2 | 7/16-20 x 2 sae | 12 point counterbore screw | 8 |
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| 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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| 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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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/4-16 x 2 | 3/4-16x2 ferry hd cap screw blk | 900 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Black Oxide | 5/8-11 x 2 | 5/8-11 x 2 (12 pt) b7 ferry hd cap blk | 6 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | #12-14 x 2 | #12-14 x 2 hwh seal drill flange hd #3pt | 20981 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/4-16 x 2 | 3/4-16x2 gr8 12pt hd flange bolt plain | 10 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | #12-14 x 2 | #12-14x2 hwh seal drill flange 3pt b18.2.1 | 149750 |
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| Fastener | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 | 12 point flange screw 1/2-13x2 alloy steel plain | 15 |
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| Wurth Ind | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | scr 12pt flange alloy pl 5/8-11x2 steel plain | 273.638101 |
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| WINA | MN | 12 Point Flange Screw (CounterBore) | Aluminum | Plain | 5/8-11 x 2 | scr 12pt flange alloy pl 5/8-11x2 | 273.638101 |
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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 | 1/2-13 x 2 | 1/2-13 x 2 12 point cap screw alloy b18.2.1 | 35 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | 5/8-11 x 2 12 point cap screw alloy b18.2.1 | 1 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 | 7/16-20 x 2 12 point cap screw alloy b18.2.1 | 40 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 | 1/2-20 x 2 12 point cap screw alloy b18.2.1 | 10 |
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| Olander | CA | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 2 12-pt bolt sst rohs | 4 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 2 | 5/16-18 x 2 12 point cap screw alloy b18.2.1 | 25 |
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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 | 5/8-11 x 2 | 5/8-11 x 2 12 point cap screw alloy b18.2.1 | 5 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 5/16-18 x 2 | 12-pt -chrome | 17 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 2 | 12-pt -chrome ejot | 10 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | 1/4-28 x 2 12pt flange sc-counterbore | 87 |
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| 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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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 2 | 1/2-20x2 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 | 7/16-20x2 alloy 12 point flange bolt | stock |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 | 1/2-13x2 12 pt. flange screw | 1,220 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 | 12 pt countr-bor plain 1/2-13 x 2 | 90 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | 12 pt countr-bor plain 5/8-11 x 2 | 182 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | 12 pt countr-bor plain 5/8-11 x 2 (DRILLED HEAD) | 178 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 2 | 12 pt countr-bor plain 3/4-10 x 2 | 57 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 2 | 12 pt countr-bor plain 1-8 x 2 | 70 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 1/2-13 x 2 | 12 pt cntr-bor b7 grn 1/2-13 x 2 (XYLAN 1425 GREEN) | 84 |
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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 | 5/16-18 x 2 | 12 pt countr-bor plain 5/16-18 x 2 | 143 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/4-10 x 2 | 3/4-10x2 ferry head c/s 170ksi mech zinc mtrs must show hrc 37-45 and chemistry b18.2.1 | 74 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 2 | 12 point counterbore screw | 235 |
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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 | Cadmium | 3/4-10 x 2 | 12 point counterbore screw | 115 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 2 | 12 point counterbore screw | 73 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 7/8-14 x 2 | 12 point counterbore screw z/stress | 495 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | 5/8-18 x 2 12 pt flange bolts b18.2.1 | 17 |
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| General F | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 | 7/16-20 x 2 12 pt ctbr scr b18.2.1 | 650 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 | 12 pt countr-bor plain 5/16-24 x 2 | 55 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | 316, 317, A4 Stainless | Plain | 5/8-11 x 2 | 12 pt cap screw 316 sst 5/8-11x2 | 1700 |
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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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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 9/16-18 x 2 | 9/16-18 x 2 alloy blk 12 pt flange screws f/thread | 300 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 | 1/2-13 x 2 12 point flange bolt plain b18.2.1 | 33 |
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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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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | 5/8-11 x 2 countr-bor screw alloy pack 90 per poly bag | 19,448 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-9 x 2 | 7/8-9 x 2 countr-bor alloy pack 50 per poly bag | 412 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 5/8-11 x 2 | 5/8-11 x 2 countr-bor screw alloy znc/ye zinc/yellow plated | 500 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 | nc 12 pt fl/b pl | 50 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 2 | nc 12 pt fl/b pl | 14 |
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| 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 | 7/16-14 x 2 | nc 12 pt fl/b pl | 14 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | nf 12 pt fl/b pl | 71 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-9 x 2 | nc 12 pt fl/b pl | 2 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 | nf 12 pt fl/b pl | 20 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 | nf 12 pt fl/b pl | 54 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 | nf 12 pt fl/b pl | 15 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | nf 12 pt fl/b pl | 3 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-14 x 2 | nf 12 pt fl/b pl | 8 |
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