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1 1/4 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
108 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 | Plain | 7/16-20 x 1 1/4 | 7/16-20 x 1 1/4 alloy 12 point flange bolts | 10,000 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/2-20 x 1 1/4 | 1/2-20 x 1 1/4 alloy zn 12 pt flange screws | 400 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 1 1/4 | 1/2-20x1 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 1 1/4 | 1/2-20x1 1/4 alloy blk 12 pt flange screws | stock |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | nf ferry c/s | 3 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | nc ferry c/s | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 gr8 12pt hd flange bolt plain | 300 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-24 x 1 1/4 | 3/8-24x1 1/4 gr8 12pt hd flange bolt plain | 50 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 7/16-14 x 1 1/4 | 7/16-14x1 1/4 gr8 12pt hd flange bolt plain | 100 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 gr8 12pt hd flange bolt plain | 150 |
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| Weaver | WA | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/2-20 x 1 1/4 | 1/2-20x1 1/4 gr8 12pt hd flange bolt plain | 25 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 1 1/4 | nc ferry c/s | 17 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | nc ferry c/s | 100 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 1 1/4 | nf ferry c/s | 9 |
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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 | 1/4-28 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 | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 120 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy znc b18.2.1 | 2224 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 1 1/4 | 7/16-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 1 1/4 | 1/2-20 x 1 1/4 12 point cap screw alloy b18.2.1 | 68 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 12 point cap screw alloy b18.2.1 | 3 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 7/16-20 x 1 1/4 | 7/16-20x1-1/4 12-pt flange bolt grade 8 stl pln b18.2.1 () | 2 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 12 pt. ctrbr screw alloy | 80 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 12 pt. ctrbr screw alloy | 17 |
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| 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 |
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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 | 5 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 1 1/4 | 7/16-14x1 1/4 coarse 12-point flange screw alloy pln unc | 25 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | coarse 12-point fl/b | 44 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | fine 12-point fl/b | 62 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | coarse 12-point fl/b | 481 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 1 1/4 | fine 12-point fl/b | 9 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | fine 12-point fl/b | 300 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 coarse 12-point flange screw alloy pln b18.2.1 | 82 |
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| Endries | WI | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24x1-1/4 302 stainless steel 12pt flange screw plain | | 77 |
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| Olander | CA | 12 Point Flange Screw (CounterBore) | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 12-pt bolt sst rohs si () () | 25 |
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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 | 100 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 12 point cap screw alloy b18.2.1 | 50 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 60 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 point cap screw alloy b18.2.1 | 20 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 1 1/4 | 7/16-20 x 1 1/4 alloy 12 point flange bolts | 10,000 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1/2-20 x 1 1/4 | 1/2-20 x 1 1/4 alloy zn 12 pt flange screws | 400 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 7/16-14 x 1 1/4 | 7/16-14 x 1 1/4 alloy zinc 12 point flange bolts | 450 |
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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 | 5/16-18 x 1 1/4 | 12 pt flange screw alloy | 1,500 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 7/16-14 x 1 1/4 | 12 pt flange screw alloy | 12,830 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-13 x 1 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 5/16-18 x 1 1/4 | 12 pt flange screw alloy | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Grade 5 | Black Oxide | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 gr.5 black header bolts | 380 |
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| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 3/8-16 x 1 1/4 | 12-pt flange scr gr8 counter-bor | 435 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 1/2-13 x 1 1/4 | 12-pt hex c/s grade8 grade8 | 350 |
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| Alma Bolt | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | SAE 12-pt counterbore screw | 500 |
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| Fastener | OH | 12 Point Flange Screw (CounterBore) | ASTM A320 L7, L7M | Zinc/Yellow | 1/2-13 x 1 1/4 | 12 point cap screw 1/2-13x1-1/4 a320 l7 zinc yellow | 8 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 1/4-20 x 1 1/4 | 12-pt -chrome ejot | 15 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome | 5/16-18 x 1 1/4 | 12-pt -chrome | 25 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 12pt fl/b-countrbore | 45 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 1 1/4 | 1/2-20x1 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 1 1/4 | 1/2-20x1 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 blk 12 point flange screws | 11,976 |
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| IPC | < td>VA12 Point Flange Screw (CounterBore) | Steel | Phosphate | 7/16-14 x 1 1/4 | 7/16-14x1 1/4 12 pt. flange screw gmw-3179h phos & oil & oil must gauge 3a after plating | 1,599 |
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| IPC | VA | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Yellow | 3/8-16 x 1 1/4 | 3/8-16x1 1/4 12 pt. flange screw 170m t.s. zy must be baked and relieved immediately after plating certs required | 160 |
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| HBBOLT | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | m psi 12 pt fl/b | 100 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 12 pt countr-bor plain 1/2-13 x 1 1/4 | 250 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 1 1/4 | 12 pt countr-bor plain 7/16-14 x 1 1/4 | 91 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 9/16-12 x 1 1/4 | 12 pt countr-bor zinc 9/16-12 x 1 1/4 | 98 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 1 1/4 | 12 pt countr-bor plain 3/4-10 x 1 1/4 | 77 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 12 pt countr-bor plain 5/16-18 x 1 1/4 | 198 |
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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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| 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 |
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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 (FINE THREAD) | 140 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | screw 12pt flange all zf 3/8-24x1 1/4 drw (W030) (W030) | 58 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | screw 12pt flange alloy (pl) 5/8-11x1 1/4 | 212 |
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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Grade 8 | Zinc/Yellow | x 1 1/4 | scr 12pt gr8 (zy) 1/2 13x1 1/4 spc (W020) | 1118 |
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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12pt flange bolt 3/8-16x1 1/4 plain | 174 |
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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 12pt. flange bolt 3/8-24x1 1/4 plain fine thread | 100 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2 x 1 1/4 | 1/2x1 1/4nc ferry head cap screw b18.2.1 | 100 |
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| Hodell | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 12pt 170m psi counterbore | 3000 |
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| Hodell | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 12pt 170m psi counterbore | 3000 |
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| Hodell | OH | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 1/2-13x1 1/4 12pt 170m psi counterbore | 3000 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 12 point counterbore screw | 263 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12 point counterbore screw | 500 |
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| Delta Secondary | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 690 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 12 pt flange bolts b18.2.1 | 347 |
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| B & K FAST | PA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 1/2-13 x 1 1/4 12 pt flange bolts b18.2.1 | 25 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8 x 1 1/4 | 3/8x1 1/4nc ferry head cap scr b18.2.1 | 100 |
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| Bostwick | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 5/8-11 x 1 1/4 12 pt. counterbore screw alloy b18.2.1 | 78 |
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| Bostwick | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 1 1/4 | 7/16-14 x 1 1/4 12 pt. counterbore screw alloy b18.2.1 | 41 |
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| Bostwick | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 1 1/4 | 3/8-24 x 1 1/4 12 pt. counterbore screw alloy b18.2.1 | 58 |
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| FastWare | Sask | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | nc 12-pt ferry c/s | 430 |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | 12 pt counterbore screw | - |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12 pt counterbore screw | 98 |
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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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| THRDFAST | FL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 12 pt counterbore screw b18.2.1 | 1 |
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| THRDFAST | FL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 1 1/4 | 12 pt counterbore screw b18.2.1 | 1 |
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| THRDFAST | OK | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 1 1/4 | 12 pt counterbore screw b18.2.1 | 44 |
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| THRDFAST | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 12 pt counterbore screw b18.2.1 | 204 |
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| WSB | KY | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 1/2-13 x 1 1/4 | q/screw 12pt flange all (po) 1/2-13x1 1/4 b18.2.1 | 865 |
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| Wurth Ind | D.F. | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 12 pt. counterbore screw | - |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 1 1/4 | 7/16-20 x 1 1/4 alloy 12 point flange bolts | 300 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 1 1/4 | 3/8-16 x 1 1/4 12 point flange bolt plain b18.2.1 | 50 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 1 1/4 | 7/16-20 x 1 1/4 12 point flange bolt plain b18.2.1 | 389 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | 5/16-18x1 1/4 counter-bor alloy | 1,625 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 1 1/4 | nc 12 pt fl/b pl | 179 |
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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 | 5/8-11 x 1 1/4 | nc 12 pt fl/b pl | 34 |
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| Valley Nu | WA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 1 1/4 | nf 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 1/4 | nf 12 pt fl/b pl | 96 |
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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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| ACCURATE | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 9/16-12 x 1 1/4 | square cup pt set screw, socket | 200 |
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