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3/8-16 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
124 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 | 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 | ||||||||
| 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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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5/8 | 12 pt counterbore screw | - |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5/8 | 12 pt counterbore screw | - |
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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 |
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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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| 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 | 36 |
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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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | nc 12 pt fl/b pl | 172 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | coarse 12-point fl/b | 425 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3/4 | 12-pt counterbore screw | 491 |
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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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| 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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| 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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| 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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 7/8 | nc 12 pt fl/b pl | 94 |
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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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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 7/8 | 12pt. flange bolt 3/8-16x7/8 plain | 63 |
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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 | 115 |
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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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| 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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| 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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | nc 12 pt fl/b pl | 3 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | nc ferry c/s | 68 |
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| 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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| FMP | MA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 | 12-point external wrenching bolt | 100 |
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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 |
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| 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 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 | coarse 12-point fl/b | 225 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 1 | 12 pt flange screw alloy | 10,950 |
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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 |
|
| 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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| 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 | 60 |
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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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| 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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| 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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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | nc ferry c/s | 100 |
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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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| 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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| 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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| 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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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12pt flange bolt 3/8-16x1 1/4 plain | 174 |
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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 Secondary | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 690 |
| |
| 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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 coarse 12-point flange screw alloy pln b18.2.1 | 82 |
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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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| 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 | 75 |
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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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | nc 12 pt fl/b pl | 4 |
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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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| 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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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | nc ferry c/s | 24 |
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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 |
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| 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 |
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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 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/2 | coarse 12-point fl/b | 267 |
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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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| 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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| 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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| 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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| 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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| 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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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | nc ferry c/s | 35 |
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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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| 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 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | coarse 12-point fl/b | 25 |
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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 | 279 |
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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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| Bostwick | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 3/4 | 3/8-16 x 1 3/4 12 pt. counterbore screw alloy b18.2.1 | 50 |
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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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| 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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| 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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| 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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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-16 x 2 | 3/8-16x2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () | 50 |
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| Endries | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 3/8-16x2 alloy stl 170 000 psi 12 point flange screw plain | 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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| 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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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | 12 point counterbore screw | 185 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 | coarse 12-point fl/b | 75 |
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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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| 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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| 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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| 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 | 110 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | coarse 12-point fl/b b18.2.1 | 9 |
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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 |
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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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| 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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| 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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| 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 |
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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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | nc 12 pt fl/b pl | 170 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | coarse 12-point fl/b | 90 |
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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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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/2 | flange bolt 12pt 3/8-16x2 1/2 plain | 50 |
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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-16 x 2 1/2 | 12 pt flange bolt 3/8-16x2-1/2 zinc | 290 |
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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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| 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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 | nc 12 pt fl/b pl | 47 |
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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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| 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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| 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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| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-16 x 338 | 3/8-16x338 mm 12 point flange bolt material per 1e2360 coating per 1e1675a (zinc phos oil 72 hours red rust) (1136) () | 3/8-16 X 338 MM 12 POINT FLANGE BOLT, MATERIAL PER 1E2360, COATING PER 1E1675A (ZINC PHOS OIL 72 HOURS RED RUST) |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 1/2 | coarse 12-point fl/b b18.2.1 | 10 |
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| 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 |
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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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| 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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| 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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| 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 |
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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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| 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 |
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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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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/2 | nc ferry c/s | 43 |
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| 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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| 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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 5 | 3/8-16x5 coarse 12-point flange screw alloy pln b18.2.1 | 15 |
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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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| 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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| 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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