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3 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
63 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 3 | 1/2-20x3 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 | 7/16-20x3 alloy 12 point flange bolt | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-18 x 3 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 3 | 12 pt flange screw alloy | 100 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 | ferry c/s | 1 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/4-16 x 3 | 3/4-16x3 gr8 12pt hd flange bolt plain | 10 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/4-10 x 3 | 3/4-10 x 3 ferry head cap screw blk | 8 |
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| 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 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 3 | nc ferry c/s | 15 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8 x 3 | nc ferry c/s | 2 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 12 point cap screw alloy b18.2.1 | 20 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 | 7/16-20 x 3 12 point cap screw alloy b18.2.1 | 15 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 | 1/2-20 x 3 12 point cap screw alloy b18.2.1 | 87 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3 | 5/16-24 x 3 12 point cap screw alloy b18.2.1 | 20 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/2-13 x 3 | 1/2-13x3 hex cap-partialthread-grade 8-12 point-plain b18.2.1 () () () | 18 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-18 x 3 | 5/8-18x3 gr8 12pt hd flange bolt plain | 25 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 3 | 3/8-24 x 3 12 pt. ctrbr screw alloy | 180 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-9 x 3 | 7/8-9 x 3 12 pt. ctrbr screw alloy | 8 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 3 | 3/4-16 x 3 12 pt. ctrbr screw alloy | 7 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 | 5/8-18 x 3 12 pt. ctrbr screw alloy | 6 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 | 7/16-20 x 3 12 pt. ctrbr screw alloy | 4 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8 x 3 | 7/8x3 12 point flange bolt blank 1 oversized body 4140 36-40 rc plain (20) (20) (20) () | 20 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2 x 3 | 1/2x3 12 point flange bolt blank 5/8 oversized body 4140 36-40 rc 160-190 ksi plain (25) (25) (25) () | 25 |
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| CIF | IL | 12 Point Flange Screw (CounterBore) | ASTM A574 | Plain | 1/2-13 x 3 | 1/2-13x3 12 point flange bolt per astm a 574 alloy plain (797) (797) (797) () | 797 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 | 1/2-20x3 fine 12-point flange screw alloy pln b18.2.1 | 8 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 | fine 12-point fl/b | 30 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 3 | fine 12-point fl/b | 37 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 3 | fine 12-point fl/b b18.2.1 | 44 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 3 | 5/16-24x3 fine 12-point flange screw alloy pln b18.2.1 | 75 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 | 1-8x3 coarse 12-point flange screw alloy pln b18.2.1 | 5 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-18 x 3 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 3 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 7/16-14 x 3 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-13 x 3 | 12 pt flange screw alloy | 2,930 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/4-10 x 3 | 12-pt bolt gr8 | 51 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 | 12 pt c/s | 20 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-14 x 3 | SAE 12-pt counterbore screw | 340 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 | 1/2-13 x 3 12 point counterbore screw | 1946 |
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| METRO IND | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 | counterbore sae | 15 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/4-10 x 3 12-pt flange bolt 17-4 ph s/s | 49 |
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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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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 3 | 1/2-20x3 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 | 7/16-20x3 alloy 12 point flange bolt | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 9/16-18 x 3 | 9/16-18 x 3 alloy 170psi 12 point flange bolts yellow zinc 8u hrc 38-43 | 4,160 |
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| Fastener | OH | 12 Point Flange Screw (CounterBore) | ASTM A320 L7, L7M | Zinc/Yellow | 1/2-13 x 3 | 12 point cap screw 1/2-13x3 a320 l7 zinc yellow | 16 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 | 12 pt countr-bor plain 1/2-13 x 3 | 53 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/8-11 x 3 | 12 pt lb7 xylan green 5/8-11 x 3 | 61 |
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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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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 | 12 pt countr-bor plain 3/8-16 x 3 | 100 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 3 | 12 pt countr-bor 5/8-11x3 | 100 |
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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 | 12pt flange bolt 1/2-20x3 plain | 100 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 3 | 12 point counterbore screw | 1125 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-20 x 3 | inconel 718 | 11 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-13 x 3 | inconel 718 | 30 |
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| System 22 | PA | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2 x 3 | inconel 718 | 30 |
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| OSSCO | RI | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 3 | 5/8-11x3 ferry ctrbore cap screw gr8 b18.2.1 | 17 |
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| 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 |
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| ASFCORP | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 | 1-8 x 3 counter bore scw alloy pkg | 49 |
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| THRDFAST | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 | 12 pt counterbore screw b18.2.1 | 198 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 3 | nc 12 pt fl/b pl | 98 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 3 | nc 12 pt fl/b pl | 47 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 3 | nc 12 pt fl/b pl | 24 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 3 | nc 12 pt fl/b pl | 10 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 3 | nf 12 pt fl/b pl | 29 |
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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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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 3 | nf 12 pt fl/b pl | 24 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1 1/8-12 x 3 | nf 12 pt fl/b pl | 2 |
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