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5/16-24 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
48 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 | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 blk 12 point flange screws | 11,976 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 5/16-24 x 1 | 12 pt flange screw alloy | stock |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1/2 | 5/16-24 x 1/2 12 point cap screw alloy b18.2.1 | 100 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1/2 | 5/16-24x1/2 fine 12-point flange screw alloy pln | 60 |
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| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/16-24 x 5/8 | 12-pt flange scr gr8 counter-bor | 30 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 5/8 | fine 12-point fl/b | 102 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3/4 | 5/16-24 x 3/4 12 point cap screw alloy b18.2.1 | 125 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3/4 | fine 12-point fl/b | 383 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3/4 | SAE 12-pt counterbore screw | 1031 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 7/8 | 5/16-24 x 7/8 12 point cap screw alloy b18.2.1 | 75 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 7/8 | 5/16-24 x 7/8 12 point cap screw alloy b18.2.1 | 25 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 7/8 | fine 12-point fl/b | 1,110 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | 5/16-24 x 1 12 point cap screw alloy b18.2.1 | 400 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | 5/16-24 x 1 12 point cap screw alloy b18.2.1 | 75 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | 5/16-24 x 1 12 pt flange bolts b18.2.1 | 54 |
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| Wurth Ada | MN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | scr 12pt flange alloy (pl) 5/16-24x1 | 775 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | nf 12 pt fl/b pl | 17 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 | fine 12-point fl/b | 277 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 5/16-24 x 1 | 12 pt flange screw alloy | stock |
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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 1 | 5/16-24 x 1 12-pt bolt sst rohs si plt () () | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | nf 12 pt fl/b pl | 49 |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 12 pt counterbore screw | - |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 blk 12 point flange screws | 11,976 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | fine 12-point fl/b | 300 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 12 pt. ctrbr screw alloy | 80 |
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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 1 1/4 | 5/16-24 x 1 1/4 12-pt bolt sst rohs si () () | 25 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-24 x 1.359 | 5/16-24x1.359 12 point flange bolt alloy tight body per print black oxide (26) () | 26 |
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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 1 3/8 | 5/16-24 x 1 3/8 12-pt bolt sst rohs () () | 48 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/2 | nf ferry c/s | 106 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/2 | nf 12 pt fl/b pl | 48 |
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| Century | FL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/16-24 x 1 1/2 | screw cap 5/16-24x1 1/2 12pt grade 8 (5/16-24 X 1 1/2 12PT GRADE 8) (5/16-24 X 1 1/2 12PT GRADE 8) | 1000 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/2 | fine 12-point fl/b b18.2.1 | 825 |
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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 1 1/2 | 5/16-24x1 1/2 12-pt bolt sst rohs () () | 90 |
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| Express | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-24 x 1 3/4 | 5/16-24x1-3/4 flange bolt 12pt black alloy | 400 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 3/4 | 12pt fl/b sc-cntrbore | 77 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 3/4 | 5/16-24 x 1 3/4 12 pt. ctrbr screw alloy | 78 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 | fine 12-point fl/b | 50 |
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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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| Century | NY | 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 5/16-24x2 12 point bolt 304300 s/s | 8059 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 1/4 | 5/16-24 x 2-1/4 12 point flange bolt b18.2.1 | 732 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 1/4 | fine 12-point fl/b | 75 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 1/2 | 5/16-24 x 2 1/2 12 pt. ctrbr screw alloy | 100 |
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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 1/2 | 5/16-24 x 2 1/2 12-pt bolt sst rohs () () | 154 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 3/4 | 5/16-24x2 3/4 fine 12-point flange screw alloy pln b18.2.1 | 75 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3 | 5/16-24 x 3 12 point cap screw alloy b18.2.1 | 20 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3 | 5/16-24x3 fine 12-point flange screw alloy pln b18.2.1 | 75 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3 1/4 | fine 12-point fl/b b18.2.1 | 50 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3 1/2 | 5/16-24x3 1/2 fine 12-point flange screw alloy pln b18.2.1 | 20 |
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