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2 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
11 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 | ||||||||
| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-13 x 2 1/2 | 1/2-13x2-1/2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 152 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 1/2 | 3/8-24x2-1/2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 150 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/2 | 3/8-24 x 2 1/2 12 point cap screw alloy b18.2.1 | 16 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 1/2 | 1/2-20 x 2 1/2 inch 12 point cap screw alloy b18.2.1 | 35 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 1/2 | 5/8-18 x 2 1/2 12 point cap screw alloy b18.2.1 | 5 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 1/2 | fine 12-point fl/b b18.2.1 | 25 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 2 1/2 | 7/16-14x2 1/2 coarse 12-point flange screw alloy pln b18.2.1 | 25 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 1/2 | 7/16-20 x 2 1/2 12 point cap screw alloy b18.2.1 | 70 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 1/2 | 1/2-13 x 2 1/2 12 pt flange bolts b18.2.1 | 25 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 1/2 | 1/2-20 x 2 1/2 12 pt flange bolts b18.2.1 | 65 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 1/2 | 5/8-18 x 2 1/2 12 pt flange bolts b18.2.1 | 28 |
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