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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 ANSI Standard B18.2.1
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty |
|---|---|---|---|---|---|---|---|
| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/8-11 x 4 | 5/8-11 x 4 alloy blk 12 pt flange screws | 125 |
| Search results presented by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit www.metric-threaded.com | |||||||
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty |
| Liberty | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1/34 | ferry c/s 12-pt drilled 12-pt drilled | 10 |
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | nc ferry c/s | 20 |
| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | 12 point f/b, 4140, | 24 |
| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | 5/8-11 x 1 12 point flange bolt plain b18.2.1 | 18 |
| R&S | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | 5/8-11 x 1 12 pt flange screw alloy | 13 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | 12 pt countr-bor plain 5/8-11 x 1 | 120 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | counter bor bolt ferry | 120 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 | 12 pt countr-bor 5/8-11x1 | 120 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | coarse 12-point fl/b b18.2.1 | 210 |
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | nc 12 pt fl/b pl | 34 |
| THRDFAST | FL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 12 pt counterbore screw b18.2.1 | 1 |
| R&S | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 5/8-11 x 1-1/4 12 pt flange screw | 13 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 12 pt countr-bor plain 5/8-11 x 1 1/4 | 130 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | counter bor bolt ferry | 130 |
| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 12pt fl/b-countrbore | 45 |
| EFSCO | OR | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 1 1/4 | 5/8-11 x 1 1/4 nc 12 point flange bolt grade 8 alloy plain. | 11 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 12 pt countr-bor 5/8-11x1 1/4 | 130 |
| EFSCO | OR | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 1 1/2 | 5/8-11 x 1 1/2 nc 12 point flange bolt grade 8 alloy plain. | 71 |
| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/8-11 x 1 1/2 | 5/8-11 x 1 1/2 12pt ferry cap screw blk | 3 |
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | nc ferry c/s | 38 |
| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | 12 point counterbore screw | 405 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | coarse 12-point fl/b | 140 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | 12 pt countr-bor dom lb7 5/8-11 x 1 1/2 | 26 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 5/8-11 x 1 1/2 | counter bor bolt lb7 | 25 |
| Trinity | IA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 5/8-11 x 1 1/2 | 5/8 - 11 x 1 1/2 12 point flange screw 170m psi tensile znpo | 1142 |
| THRDFAST | OK | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | 12 pt counterbore screw b18.2.1 | 32 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/2 | 12 pt countr-bor dom. lb7 5/8-11x1 1/2 | 25 |
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 3/4 | nc 12 pt fl/b pl | 2 |
| OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 3/4 | 12pt fl/b | 4 |
| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 5/8-11 x 1 3/4 | 12 point counterbore screw | 491 |
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 3/4 | 5/8-11 x 1-3/4 ctr-bor screw alloy | 5,128 |
| ASFCORP | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 3/4 | 5/8-11 x 1 3/4 counter bore scw alloy pkg | 15 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 3/4 | coarse 12-point fl/b | 32 |
| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | 316, 317, A4 Stainless | Plain | 5/8-11 x 1 3/4 | 5/8 (11) x 1-3/4 flange screw 12 point 316ss b18.2.1 b18.2.1 usa | inquire |
| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 1 3/4 | gr8 12pt hd fl/b | 124 |
| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | 316, 317, A4 Stainless | Plain | 5/8-11 x 1 3/4 | 5/8(11) x 1-3/4 flange screw 12 point 316ss b18.2.1 usa | inquire |
| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 5/8-11 x 2 | 5/8-11 x 2 12 point flange bolt type 9 phos coated for 72 hours to red rust | 100 |
| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Black Oxide | 5/8-11 x 2 | 5/8-11 x 2 (12 pt) b7 ferry hd cap blk | 6 |
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | nc ferry c/s | 88 |
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 | 5/8-11 x 2 countr-bor screw alloy pack 90 per poly bag | 19,448 |
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 5/8-11 x 2 | 5/8-11 x 2 countr-bor screw alloy znc/ye zinc/yellow plated | 500 |
| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | 316, 317, A4 Stainless | Plain | 5/8-11 x 2 | 5/8 (11) x 2 flange screw 12 point 316ss b18.2.1 b18.2.1 usa | inquire |
| Spring Bo | TX | 12 Point Flange Screw (CounterBore) | 316, 317, A4 Stainless | Plain | 5/8-11 x 2 | 5/8(11) x 2 flange screw 12 point 316ss b18.2.1 usa | inquire |
| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 2 | gr8 12pt hd fl/b | 13 |
| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel | 5/8-11 x 2 1/4 | 12-pt fl/b astm193 b7 material plate & bake per print | inquire |
| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | nc ferry c/s | 106 |
| CNB | IL | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 5/8-11 x 2 1/4 | 12-point counterbore | 50 |
| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | 12 point counterbore screw | 185 |
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Aluminum zinc flake (Dacromet, Magnigard, Doerken) | 5/8-11 x 2 1/4 | 5/8-11 x 2 1/4 counter-bor alloy zinc flake | 194 |
| R&S | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | 5/8-11 x 2-1/4 12 pt flange screw | 2 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | coarse 12-point fl/b | 15 |
| Trinity | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | 5/8 - 11 x 2 1/4 12 point flange screw 170m psi tensile plain | 40 |
| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel | 5/8-11 x 2 3/8 | 12-pt fl/b astma193 b7 material plate & bake per print | inquire |
| OBRIEN | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/2 | 12pt fl/b | 1 |
| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/2 | 12 point counterbore screw | 225 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/2 | coarse 12-point fl/b | 6 |
| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 2 1/2 | 5/8-11x2-1/2 hex c/s 12-pt bolt screw 12-pt bolt | 20 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7M | Plain | 5/8-11 x 2 1/2 | 12 pt countr-bor dom lb7m 5/8-11 x 2 1/2 | 96 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7M | Plain | 5/8-11 x 2 1/2 | counter bor bolt lb7m | 96 |
| Dan-Loc | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 5/8-11 x 2 1/2 | 5/8-11x2-1/2 c/s 12 pt b7/l7 pl full thread | 20590 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7M | Plain | 5/8-11 x 2 1/2 | 12 pt countr-bor dom. lb7m 5/8-11x2 1/2 | 96 |
| GLF | OH | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 2 1/2 | 12-pt flg bolt bolt | 100 |
| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel | 5/8-11 x 2 3/4 | 12-pt fl/b astma193 b7 material plate & bake per print | inquire |
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 3/4 | 5/8-11x2 3/4 counter-bor alloy pack 45 per poly bag | 302 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 3/4 | coarse 12-point fl/b | 15 |
| Bolts Plus | Ont | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 | counter bore screw | 125 |
| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/8-11 x 3 | 5/8-11 x 3 ferry head cap screw blk | 50 |
| Bolts Plus | Ont | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 | counterbore ferry c/s | 50 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 | 12 pt countr-bor plain 5/8-11 x 3 | 100 | Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 | counter bor bolt ferry | 100 |
| Dan-Loc | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 5/8-11 x 3 | 5/8-11x3 c/s 12 pt b7/l7 pl full thread | 5494 |
| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 | 12 pt countr-bor 5/8-11x3 | 100 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/4 | 5/8-11x3 1/4 coarse 12-point flange screw alloy pln clearance unc | 20 |
| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel | 5/8-11 x 3 1/2 | 12-pt fl/b astma193 b7 material plate & bake per print | inquire |
| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/2 | nc 12 pt fl/b pl | 23 |
| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/8-11 x 3 1/2 | 5/8-11 x 3 1/2 (12pt) 4140 ferry cap blk | 40 |
| 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 |
| Revcar | VA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/2 | 12 pt cntrbore screw darling only- with material test reports | 995 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 1/2 | 5/8-11x3 1/2 coarse 12-point flange screw alloy pln b18.2.1 | 23 |
| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel | 5/8-11 x 3 3/4 | 12-pt fl/b astma193 b7 material plate & bake per print | inquire |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 4 | coarse 12-point fl/b | 34 |
| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 4 | 5/8-11 x 4 countr-bor 12pt screw alloy pack 25 per poly bag | 420 |
| ASFCORP | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 4 | 5/8-11 x 4 counter bore scw alloy | 1,005 |
| EFSCO | OR | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 4 | nc 12-pt fl/b . | 12 |
| CNB | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 5 | 12-pt c/s | 100 |
| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 5 | in 12pt fl/b sc-cntrbore | 13 |
| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 5 1/2 | 5/8-11x5 1/2 coarse 12-point flange screw alloy pln unc | 38 |
| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 6 | in 12pt fl/b sc-cntrbore | 9 |
| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 6 | 5/8-11 x 6 inch 12 point cap screw alloy | 50 |
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