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5/8-18 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
51 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 | ||||||||
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 | fine 12-point fl/b | 291 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/4 | 5/8-18x1 1/4 fine 12-point flange screw alloy pln | 13 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/4 | nf 12 pt fl/b pl | 3 |
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| Bolts Plus | Ont | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/4 | counterbore ferry c/s | 8 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/4 | 12 pt countr-bor plain 5/8-18 x 1 1/4 | 140 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/4 | counter bor bolt ferry | 140 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/4 | 12 pt countr-bor 5/8-18x1 1/4 | 140 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/2 | 5/8-18 x 1 1/2 12 point cap screw alloy b18.2.1 | 25 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/2 | nf 12 pt fl/b pl | 14 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 1 1/2 | 12-pt c/s | 100 |
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| R&S | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 1/2 | 5/8-18 x 1-1/2 12 pt flange screw | 24 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Silver | 5/8-18 x 1 1/2 | inconel 718 | 15 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 1 1/2 | gr8 12pt hd fl/b | 25 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Passivated | 5/8-18 x 1 3/4 | 12-pt fl/b , 17-4 ph ss, cond h900, per astm a967, per print | 6 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 3/4 | nf ferry c/s | 63 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 1 3/4 | 5/8-18x1 3/4 fine 12-point flange screw alloy pln | 30 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | nf ferry c/s | 6 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | 5/8-18 x 2 12 pt flange bolts b18.2.1 | 17 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | nf 12 pt fl/b pl | 3 |
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| AFP | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 2 | 12point counterbore bolt gr. 8 | 826 |
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| R&S | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | 5/8-18 x 2 12 pt flange screw alloy | 30 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 | 5/8-18 x 2 12 point cap screw alloy | 25 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 2 | gr8 12pt hd fl/b | 25 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 1/2 | 5/8-18x2 1/2 fine 12-point flange screw alloy pln | 20 |
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| R&S | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 1/2 | 5/8-18 x 2-1/2 12 pt flange screw | 9 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 2 1/2 | gr8 12pt hd fl/b | 25 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 3/4 | 5/8-18x2 3/4 fine 12-point flange screw alloy pln b18.2.1 | 20 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 | 12 pt. ctrbr screw | 6 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 | nf 12 pt fl/b pl | 16 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 | fine 12-point fl/b | 20 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 3 | gr8 12pt hd fl/b | 25 |
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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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| 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 | 25 |
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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 | 20 |
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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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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 3 1/2 | gr8 12pt hd fl/b | 24 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 | 5/8-18 x 4 12 point cap screw alloy b18.2.1 | 25 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 | nf 12 pt fl/b pl | 3 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 | fine 12-point fl/b | 10 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 4 | gr8 12pt hd fl/b | 25 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 1/2 | 12 pt. ctrbr screw | 21 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 1/2 | nf 12 pt fl/b pl | 19 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 1/2 | 5/8-18 x 4-1/2 12 point flange bolt plain b18.2.1 | 1 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 1/2 | fine 12-point fl/b b18.2.1 | 20 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 5 | 5/8-18x5 fine 12-point flange screw alloy pln b18.2.1 | 20 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 5 3/4 | nf ferry c/s | 4 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 6 | nf ferry c/s | 4 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/8-18 x 6 1/2 | 5/8-18 x 6 1/2 ferry head cap screw blk | 50 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 6 1/2 | fine 12-point fl/b | 40 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 7 | nf 12 pt fl/b pl | 7 |
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