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4 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
27 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 4 1/2 | 1/2-20x4 1/2 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Grade 8 | Zinc/Yellow | 9/16-18 x 4 1/2 | 9/16-18 x 4 1/2 12 Point Flange Screw, Grade 8 Zinc Yellow | 4,160 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 1/2-20 x 4 1/2 | 1/2-20 x 4 1/2 alloy yzn 12 pt flange screws | 4,890 |
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| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1 1/4-12 x 4 1/2 | 1 1/4-12x4-1/2 ferry c/s | 40 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4 x 4-1/2 ferry head cap screw 170m psi 12 point plain partially threaded | 8 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/4-16 x 4 1/2 | 3/4-16 x 4 1/2 ferry head cap screw blk | 20 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 4 1/2 | 1/2-13x4-1/2 ferry c/s | 22 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-14 x 4 1/2 | nf ferry c/s | 9 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/2 | nc ferry c/s | 43 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 4 1/2 | nf ferry c/s | 61 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 4 1/2 | 1/2-20 x 4 1/2 12 point cap screw alloy b18.2.1 | 57 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-14 x 4 1/2 | 7/8-14 x 4 1/2 inch 12 point cap screw alloy b18.2.1 | 9 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/4-16 x 4 1/2 | 3/4-16x4-1/2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 50 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 4 1/2 | 5/8-18 x 4 1/2 12 pt. ctrbr screw alloy | 21 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1 1/8-7 x 4 1/2 | 1-1/8-7x4-1/2 12 pt counterbore bolt b18.2.1 | 48 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/4-10 x 4 1/2 12 point flange bolt grade 8 plain | | 100 |
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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 | 3/8-24 x 4 1/2 | 3/8-24x4 1/2 fine 12-point flange screw alloy pln b18.2.1 | 6 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Grade 8 | Zinc/Yellow | 9/16-18 x 4 1/2 | 9/16-18 x 4 1/2 12 Point Flange Screw, Grade 8 Zinc Yellow | 4,160 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 4 1/2 | 1-8 x 4 1/2 12pt flange screw -cntrbore | 31 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 4 1/2 | 1-8 x 4 1/2 12pt flange screw -cntrbore | 31 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 4 1/2 | 1/2-20x4 1/2 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 1/2-20 x 4 1/2 | 1/2-20 x 4 1/2 alloy yzn 12 pt flange screws | 4,890 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 4 1/2 | 12 pt countr-bor plain 1/2-13 x 4 1/2 | 71 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 4 1/2 | 12 point counterbore screw | 472 |
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| Bostwick | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 12 pt. counterbore screw alloy b18.2.1 | 12 |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 4 1/2 | 12 pt counterbore screw | - |
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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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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 12 point flange bolt plain b18.2.1 | 331 |
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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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