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1/4-20 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
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| 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 | 1/4-20 x 1 1/4 | 12 pt flange screw alloy | 350 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1/2 | 12 pt flange screw alloy | 1,000 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 5/8 | 12 pt flange screw alloy | 500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 12 pt flange screw alloy | 500 |
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| Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 12-point flange bolt alloy trivalent zinc 12-point flange bolt | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 12 point cap screw alloy b18.2.1 | 50 |
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| Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 12-point fl/b Cr3+ 12-point fl/b | 1,500 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 12 pt countr-bor zinc 1/4-20 x 1/2 | 200 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 countr-bor alloy pack 450 per poly bag | 8,900 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1/2 | 12 pt flange screw alloy | 1,000 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 12 pt. ctrbr screw alloy | 100 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 12pt flange sc-cntrbore ejot | 50 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 5/8 | 12pt chrome ejot | 17 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | nc ferry c/s | 73 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 5/8 | 12 pt flange screw alloy | 500 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 12 pt. ctrbr screw alloy | 18 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 12 point cap screw alloy b18.2.1 | 75 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | nc 12 pt fl/b pl | 10 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 12 pt countr-bor plain 1/4-20 x 3/4 | 190 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 12-pt counterbore screw | 88 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 3/4 | 12 pt flange screw alloy | 1,000 |
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| THRDFAST | OK | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 12 pt counterbore screw b18.2.1 | 25 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 7/8 | 12 pt flange screw alloy | 2,300 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 1/4-20 x 7/8 12-pt screw-chrome | 3 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 12 point cap screw alloy b18.2.1 | 49 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | nc 12 pt fl/b pl | 110 |
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| GUIDON | NJ | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/4-20 x 1 | 500 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 | 12-pt -chrome ejot | 14 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 1/4-20 x 1 ferry hd c/s blk | 1524 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 countr-bor alloy | 3,675 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 12 pt flange screw alloy | 500 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 12-pt counterbore screw | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 25 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | nc 12 pt fl/b pl | 89 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 1/4 | 12-pt -chrome ejot | 15 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 12 pt countr-bor plain 1/4-20 x 1 1/4 | 110 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/4 | 12 pt flange screw alloy | 350 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 12 point cap screw alloy b18.2.1 | 25 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 12 point cap screw alloy b18.2.1 | 50 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | nc 12 pt fl/b pl | 49 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 1/2 | 12-pt -chrome ejot | 11 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 12 pt countr-bor plain 1/4-20 x 1 1/2 | 235 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 12 point counterbore screw | 487 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/2 | 12 pt flange screw alloy | 560 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 3/4 | nc 12 pt fl/b pl | 100 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 3/4 | 12-pt -chrome ejot | 14 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 3/4 | 12 pt flange screw alloy | 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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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 2 | 12-pt -chrome ejot | 10 |
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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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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 2 1/4 | 12-pt -chrome ejot | 19 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | nc 12 pt fl/b pl | 99 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 12pt fl/b counterbore | 47 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 12 pt countr-bor plain 1/4-20 x 2 1/2 | 105 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2-1/2 12 point flange bolt plain b18.2.1 | 149 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 3 | 12 pt countr-bor zinc 1/4-20 x 3 | 600 |
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| MFS | KS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 31/4 | 12-pt bolt | 14 |
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| Endries | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 alloy stl 170 000 psi 12 point flange screw plain | 250 |
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