1/4 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
118 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 | Zinc/Clear | 1/4-28 x 1/2 | 1/4-28 x 1/2 alloy zinc 12 point flange bolts | stock |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/4 | 12 pt flange screw alloy | 350 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1/2 | 12 pt flange screw alloy | 1,000 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 5/8 | 12 pt flange screw alloy | 500 |
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Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 12-point flange bolt alloy trivalent zinc 12-point flange bolt | 50 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 12 point cap screw alloy b18.2.1 | 50 |
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Cal Fastenrs | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 12-point fl/b Cr3+ 12-point fl/b | 9,000 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-28 x 1/2 | 1/4-28 x 1/2 alloy zinc 12 point flange bolts | stock |
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Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 1/2 | 12 pt countr-bor zinc 1/4-20 x 1/2 | 200 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1/2 | fine 12-point fl/b | 25 |
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Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 countr-bor alloy pack 450 per poly bag | 8,900 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | coarse 12-point fl/b | 99 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1/2 | 12 pt flange screw alloy | 1,000 |
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Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/4-28 x 1/2 | 12pt bolt gr8 | 1 |
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Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1/2 | 1/4-20 x 1/2 12 pt. ctrbr screw alloy | 100 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 12pt flange sc-cntrbore ejot | 50 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 5/8 | 12pt chrome ejot | 17 |
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Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | nc ferry c/s | 88 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 5/8 | 12 pt flange screw alloy | 500 |
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JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 5/8 | 12pt. flange bolt 1/4-28x5/8 plain fine thread | 2,897 |
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Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 12 pt. ctrbr screw alloy | 18 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 5/8 | 1/4-28x5/8 fine 12-point flange screw alloy pln b18.2.1 | 26 |
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Wurth Ind | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | scr 12pt flange alloy pl 1/4-20x5/8 steel plain | 5916 |
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WINA | MN | 12 Point Flange Screw (CounterBore) | Aluminum | Plain | 1/4-20 x 5/8 | scr 12pt flange alloy pl 1/4-20x5/8 | 5916 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 1/4-20 x 3/4 12 point cap screw alloy b18.2.1 | 75 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | 1/4-28 x 3/4 12 point cap screw alloy b18.2.1 | 20 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | nc 12 pt fl/b pl | 10 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | nf 12 pt fl/b pl | 32 |
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OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | 12 pt fl/b | 93 |
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Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | nf ferry c/s | 100 |
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Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 12 pt countr-bor plain 1/4-20 x 3/4 | 190 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | coarse 12-point fl/b | 11 |
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Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | SAE 12-pt counterbore screw | 3615 |
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Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | 12-pt counterbore screw | 394 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 3/4 | 12 pt flange screw alloy | 1,000 |
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JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | 12pt. flange bolt 1/4-28x3/4 plain | 183 |
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JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 3/4 | flange bolt 12pt 1/4-20x3/4 plain domestic | 1,000 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3/4 | fine 12-point fl/b | 375 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-28 x 3/4 | 1/4-28 x 3/4 alloy blk 12 pt flange screws | 428 |
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Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/4-28 x 7/8 | 1/4-28x7/8 gr8 12pt hd flange bolt plain | 50 |
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R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 1/4-20 x 7/8 12 pt flange screw alloy steel | 398 |
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Century | FL | 12 Point Flange Screw (CounterBore) | Steel | Cadmium | 1/4-28 x 7/8 | ms9915-12 | 9739 |
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THRDFAST | OK | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 12 pt counterbore screw b18.2.1 | 25 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 7/8 | 12 pt flange screw alloy | 2,300 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | coarse 12-point fl/b | 1,019 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 7/8 | 1/4-20 x 7/8 12-pt screw-chrome | 3 |
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Endries | WI | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28x7/8 302 stainless steel 12pt flange screw plain | | 25 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 7/8 | fine 12-point fl/b b18.2.1 | 75 |
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Century | NY | 12 Point Flange Screw (CounterBore) | Steel | Cadmium | 1/4-28 x 7/8 | ms9915-12 | 9739 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 12 point cap screw alloy b18.2.1 | 49 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | 1/4-28 x 1 12 point cap screw alloy | 100 |
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R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 12 pt flange screw alloy steel | 5 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | nc 12 pt fl/b pl | 110 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | nf 12 pt fl/b pl | 63 |
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CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20x1 12 point flange bolt alloy plain (969) (969) (974) () | 974 |
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GUIDON | NJ | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/4-20 x 1 | 500 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 | 12-pt -chrome ejot | 14 |
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Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 1/4-20 x 1 ferry hd c/s blk | 1524 |
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ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | 12 point counterbore screw | 2951 |
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Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 1/4-20 x 1 countr-bor alloy | 3,675 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | coarse 12-point fl/b | 1,900 |
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Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | SAE 12-pt counterbore screw | 948 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 | 12 pt flange screw alloy | 500 |
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Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 | 12-pt counterbore screw | 588 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 | fine 12-point fl/b | 1,443 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 25 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 1/4-28 x 1 1/4 12 point cap screw alloy b18.2.1 | 125 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 1/4-28 x 1 1/4 12 point cap screw alloy b18.2.1 | 100 |
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R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 1/4-20 x 1-1/4 12 pt flange screw alloy steel | 35 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | nc 12 pt fl/b pl | 89 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | nf 12 pt fl/b pl | 96 |
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OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | 12 pt fl/b | 46 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 1/4 | 12-pt -chrome ejot | 15 |
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Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | 12 pt countr-bor plain 1/4-20 x 1 1/4 | 110 |
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AIH | AZ | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1.248 | 1/4-28 x 1.248 bolt dbl hex washer hd a286 s/s AS3530-4-11 | 3 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/4 | coarse 12-point fl/b | 1,900 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/4 | 12 pt flange screw alloy | 350 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/4 | fine 12-point fl/b | 1,470 |
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Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | nf ferry c/s | 71 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 12 point cap screw alloy b18.2.1 | 25 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 12 point cap screw alloy b18.2.1 | 50 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12 point cap screw alloy b18.2.1 | 65 |
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Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 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 | 1/4-20 x 1 1/2 | nc 12 pt fl/b pl | 49 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | nf 12 pt fl/b pl | 75 |
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SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 12 pt counterbore screw | 75 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 1/2 | 12-pt -chrome ejot | 11 |
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Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 12 pt countr-bor plain 1/4-20 x 1 1/2 | 235 |
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ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | 12 point counterbore screw | 487 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 1/2 | coarse 12-point fl/b | 128 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 1/2 | 12 pt flange screw alloy | 560 |
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Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1 1/2 12 pt. ctrbr screw alloy | 2 |
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Endries | WI | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 1 1/2 | 1/4-28 x 1-1/2 flange 12 point screw stainless 18-8 | 51 |
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Olander | CA | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 1 1/2 12-pt bolt sst rohs si | 2 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 3/4 | nc 12 pt fl/b pl | 100 |
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Liberty | IL | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 3/4 | hex c bore 12-pt bolt black with 360 degree blue nylock patch | 148 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 1 3/4 | 12-pt -chrome ejot | 14 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 1 3/4 | 12 pt flange screw alloy | 500 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 3/4 | coarse 12-point fl/b | 75 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | fine 12-point fl/b b18.2.1 | 100 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 | nc 12 pt fl/b pl | 50 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | nf 12 pt fl/b pl | 71 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 2 | 12-pt -chrome ejot | 10 |
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MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/4-20 x 2 | 12 pt flange screw alloy | 500 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 | 1/4-28 x 2 12pt flange sc-counterbore | 87 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 1/4 | fine 12-point fl/b b18.2.1 | 100 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 1/4-20 x 2 1/4 | 12-pt -chrome ejot | 19 |
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Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | nc 12 pt fl/b pl | 99 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 12pt fl/b counterbore | 47 |
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Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 12 pt countr-bor plain 1/4-20 x 2 1/2 | 105 |
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All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2-1/2 12 point flange bolt plain b18.2.1 | 149 |
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ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 2 3/4 | fine 12-point fl/b | 31 |
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Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/4-20 x 3 | 12 pt countr-bor zinc 1/4-20 x 3 | 600 |
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MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-28 x 3 | 1/4-28 x 3 12pt flange sc-counterbore | 90 |
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MFS | KS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 31/4 | 12-pt bolt | 14 |
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B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4 | 1/4 counterbore # csc55655 b18.2.1 | 1 |
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R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 2 | 1/4-20 x 2 12 pt flange screw alloy steel | 96 |
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R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 1 3/4 | 1/4-20 x 1-3/4 12 pt flange screw alloy steel | 97 |
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Endries | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 alloy stl 170 000 psi 12 point flange screw plain | 250 |
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Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/4 | 1/4 pilot 5/32 shank counterbore | 15 |
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National | Ont | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/4 | 1/4-20x2-1/4 12pt flange countr-bor sscre | 197 |
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