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3 1/2 inch length Counterbore Screws (ASME B18. 2.1)
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
13 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 | |
| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 1/2 | 3/4-10x3-1/2 12 point counterbore bolt b18.2.1 | 20 |
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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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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 1/2 | 1-8x3-1/2 ferry hd cap screw b18.2.1 | 36 |
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| THRDFAST | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 1/2 | 12 pt counterbore screw b18.2.1 | 266 |
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| THRDFAST | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 1/2 | 12 pt counterbore screw b18.2.1 | 30 |
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| WSB | KY | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 1/2 | screw countrbr 12pt all 3/4-10x3 1/2 b18.2.1 | 712 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 3 1/2 | 3/4-16 x 3 1/2 12 point flange bolt plain b18.2.1 | 34 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/2 | 5/8-11 x 3-1/2 12 point flange bolt plain b18.2.1 | 23 |
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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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