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3 1/2 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
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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 | 1/2-20 x 3 1/2 | 1/2-20x3 1/2 alloy blk 12 pt flange screws | stock |
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| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/4-16 x 3 1/2 | 3/4-16x3 1/2 gr8 12pt hd flange bolt plain | 10 |
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| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel Plated | 5/8-11 x 3 1/2 | 12-pt fl/b astma193 b7 material plate & bake per print | inquire |
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| Century | FL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 3 1/2 | 3/4-16 x 3 1/2 12 point flange screw (3/4-16 x 3 1/2 12 POINT FLANGE SCREW PER IE2360 PLAIN) (3/4-16 x 3 1/2 12 POINT FLANGE SCREW PER IE2360 PLAIN) | 2649 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1-14 x 3 1/2 | 1-14x3-1/2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 2 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 1/2 | 3/8-24 x 3 1/2 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 3 1/2 | 1/2-20 x 3 1/2 12 point cap screw alloy b18.2.1 | 16 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 1/2 | 5/8-18 x 3 1/2 12 point cap screw alloy b18.2.1 | 15 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 1/2 | 3/4-10 x 3 1/2 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 3 1/2 | 3/4-16 x 3 1/2 12 point cap screw alloy b18.2.1 | 12 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 3 1/2 | 5/8-18x3 1/2 gr8 12pt hd flange bolt plain | 24 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 1/2 | 1-8x3 1/2 12 point flange bolt alloy plain (20) (20) (20) () | 20 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 1/2 | 5/8-18x3 1/2 fine 12-point flange screw alloy pln b18.2.1 | 10 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 1/2 | 1/2-20x3 1/2 fine 12-point flange screw alloy pln | 25 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | x 3 1/2 | scr 12pt flange all pl 3/4-16x3 1/2 (W000) (W000) | 347 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 3 1/2 | 1/2-20x3 1/2 alloy blk 12 pt flange screws | stock |
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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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 1/2 | nc 12 pt fl/b pl | 30 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/2 | nc 12 pt fl/b pl | 23 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 1/2 | nc 12 pt fl/b pl | 99 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 1/2 | nc 12 pt fl/b pl | 4 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 1/2 | nf 12 pt fl/b pl | 25 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 3 1/2 | 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 3 1/2 | nf 12 pt fl/b pl | 1 |
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