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3 1/4 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
20 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 3 1/4 | 1/2-20x3 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 1/4 | 7/16-20x3 1/4 alloy 12 point flange bolt | stock |
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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 | 7/16-14 x 3 1/4 | 12 pt flange screw alloy | 100 |
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| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 1/4 | 1/2-20 x 3 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 3 1/4 | 3/8-24 x 3 1/4 12 point cap screw alloy | 31 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 7/8-14 x 3 1/4 | 7/8-14x3-1/4 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 100 |
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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 | 5/16-18 x 3 1/4 | 5/16-18x3 1/4 coarse 12-point flange screw alloy pln b18.2.1 | 5 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 1/4 | 5/8-18x3 1/4 fine 12-point flange screw alloy pln | 17 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/4 | 5/8-11x3 1/4 coarse 12-point flange screw alloy pln clearance unc | 20 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 1/4 | fine 12-point fl/b | 60 |
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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 | 7/16-14 x 3 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-13 x 3 1/4 | 12 pt flange screw alloy | 100 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 1/4 | 12pt fl/b sc-cntrbore | 17 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 1/4 | 12pt fl/b sc-cntrbore | 113 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 3 1/4 | 1/2-20x3 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 1/4 | 7/16-20x3 1/4 alloy 12 point flange bolt | stock |
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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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| Dan-Loc | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 7/8-9 x 3 1/4 | 7/8-9x3-1/4 c/s 12 pt b7/l7 pl full thread | 4411 |
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| OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-14 x 3 1/4 | 12 pt fl/bs | 4 |
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| WSB | KY | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 1/4 | screw 12pt flange alloy (pl) 3/4-10x3 1/4 b18.2.1 | 100 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 3 1/4 | 5/16-18 x 3-1/4 countr-bor alloy | 503 |
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