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2 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
75 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 | 9/16-18 x 2 1/4 | 9/16-18 x 2 1/4 alloy 170psi 12 point flange bolts hrc 38-43 1-1/4 thread length | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 9/16-18 x 2 1/4 | 9/16-18 x 2 1/4 alloy 170psi 12 point flange bolts hrc 38-43 1-1/4 thread length | 4,179 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 2 1/4 | 1/2-20x2 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 1/4 | 7/16-20x2 1/4 alloy 12 point flange bolt | stock |
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| Buy Counterbore Screws from one of our FCH Network Members | ||||||||
| SunPack | FL | 12 Point Flange Screw (CounterBore) | Grade B7 | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 3/4-10 x 2 1/4 | 3/4-10x2-1/4 a193 b7 12pt ferry head bolt ptfe blue | 2 |
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| R&S Indus | OR | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2-1/4 12 pt flange screw alloy steel | 9 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2-1/4 nc ferry head c/s plain | 16 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 ferry hd cap screw blk | 7 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 7/16-20 x 2 1/4 | 7/16-20 x 2 1/4 (nbs) 12pt 4140 ferry hd cap screw blk | 101 |
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| Future Fastener | TX | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/4-16 x 2 1/4 | 3/4-16 x 2 1/4 ferry hd cap screw blk | 7 |
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| Jackson | MS | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | nc ferry c/s | 82 |
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| Hayes | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 12 pt. ctrbr screw alloy | 11 |
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| Endries | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-9 x 2 1/4 | 7/8-9x2-1/4 alloy stl 170 000 psi 12 point flange screw | 10 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 1/4 | 5/16-24 x 2-1/4 12 point flange bolt b18.2.1 | 732 |
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| BHAM | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 (12 point) counterbore b18.2.1 | 974 |
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| Endries | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8x2-1/4 alloy stl 170 000 psi 12 point flange screw plain | 4 |
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| Set Screw | IL | 12 Point Flange Screw (CounterBore) | Grade B7 | Nickel Plated | 5/8-11 x 2 1/4 | 12-pt fl/b astm193 b7 material plate & bake per print | inquire |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 3/8-24 x 2 1/4 | 3/8-24x2-1/4 12-pt flange bolt 17-4 ph s/s b18.2.1 () () () | 50 |
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| Endries | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 2 1/4 | 7/16-14x2-1/4 alloy stl 170 000 psi 12 point flange screw plain | 12 |
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| American | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 1/4 | 1/2-20x2-1/4 nf 12 point flange bolt w/nylon patch | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 5/16-18 x 2 1/4 | 12 pt flange screw alloy | 200 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-16 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 7/16-14 x 2 1/4 | 12 pt flange screw alloy | 350 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-13 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 plain 12 point flange bolts 50 500 | 500 |
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| GLF | OH | 12 Point Flange Screw (CounterBore) | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-13 x 2 1/4 | 1/2-13 x 2-1/4 12-pt flange bolt undercut 17-4 ph s/s | 200 |
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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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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point cap screw alloy partial thread b18.2.1 | 183 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 12 point cap screw alloy b18.2.1 | 10 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 1/4 | 1/2-20 x 2 1/4 12 point cap screw alloy b18.2.1 | 59 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point cap screw full thrd alloy b18.2.1 | 90 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 2 1/4 | 3/4-16x2 1/4 fine 12-point flange screw alloy pln b18.2.1 | 15 |
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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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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | coarse 12-point fl/b b18.2.1 | 9 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/8-9 x 2 1/4 | 7/8-9x2 1/4 coarse 12-point flange screw alloy pln b18.2.1 | 16 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-18 x 2 1/4 | 5/8-18x2 1/4 fine 12-point flange screw alloy pln b18.2.1 | 69 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-14 x 2 1/4 | 7/16-14x2 1/4 coarse 12-point flange screw alloy pln unc | 180 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-24 x 2 1/4 | fine 12-point fl/b | 75 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 1/4 | coarse 12-point fl/b | 129 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | coarse 12-point fl/b | 15 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 2 1/4 | coarse 12-point fl/b | 100 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | fine 12-point fl/b | 10 |
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| ASMC | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 1/4 | fine 12-point fl/b b18.2.1 | 21 |
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| Ababa | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 12 point cap screw alloy b18.2.1 | 50 |
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| Liberty | IL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 2 1/4 | 12 pt bolt w/1/8 hole on head | 51 |
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| MidStates | MI | 12 Point Flange Screw (CounterBore) | Steel | Chrome Plated | 5/16-18 x 2 1/4 | 12-pt -chrome | 6 |
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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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| WDMB | IA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-13 x 2 1/4 | screw 12pt flange alloy (pl) 1/2-13x2 1/4 (W020) (W020) (W020) | 7,970 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 9/16-18 x 2 1/4 | 9/16-18 x 2 1/4 alloy 170psi 12 point flange bolts hrc 38-43 1-1/4 thread length | 4,179 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 1/2-20 x 2 1/4 | 1/2-20x2 1/4 alloy blk 12 pt flange screws | stock |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 1/4 | 7/16-20x2 1/4 alloy 12 point flange bolt | stock |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 7/16-20 x 2 1/4 | 12 pt countr-bor plain 7/16-20 x 2 1/4 (FINE THREAD) | 197 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 3/4-10 x 2 1/4 | 12 pt countr-bor zinc 3/4-10 x 2 1/4 (ZINC PLATED AND BAKED) | 462 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1-8 x 2 1/4 | 12 pt countr-bor plain 1-8 x 2 1/4 | 130 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 5/8-11 x 2 1/4 | 12 pt countr-bor a193-b7 5/8-11 x 2 1/4 | 224 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 1/2-13 x 2 1/4 | 12 pt cntr-bor b7 grn 1/2-13 x 2 1/4 (XYLAN 1425 GREEN) | 63 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 3/4-10 x 2 1/4 | 12 pt cntr-bor b7 grn 3/4-10 x 2 1/4 (XYLAN 1425 GREEN) | 72 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 12 pt countr-bor plain 3/8-16 x 2 1/4 | 102 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 2 1/4 | 12 pt countr-bor 3/4-10x2 1/4 | 196 |
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| SunPack | FL | 12 Point Flange Screw (CounterBore) | Grade B7 | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 3/4-10 x 2 1/4 | 3/4-10x2-1/4 a193 b7 12pt ferry head bolt ptfe blue | 2 |
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| JET Indus | WI | 12 Point Flange Screw (CounterBore) | Steel | Plain | 1/2-20 x 2 1/4 | 12pt. flange bolt 1/2-20x2 1/4 plain fine thread | 50 |
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| Fastener | OH | 12 Point Flange Screw (CounterBore) | ASTM A320 L7, L7M | Zinc/Yellow | 3/4-10 x 2 1/4 | 12 point cap screw 3/4-10x2-1/4 a320 l7 zinc yellow | 18 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 12 point counte rbore screw | 205 |
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| ISSCO | MO | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/8-11 x 2 1/4 | 12 point counterbore screw | 185 |
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| OSSCO | RI | 12 Point Flange Screw (CounterBore) | Grade 8 | Plain | 5/8-11 x 2 1/4 | 5/8-11x2 1/4 ferry ctrbore cap screw gr8 b18.2.1 | 15 |
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| QFC | TX | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 1-8 x 2 1/4 | 1-8x2-1/4 ferry hd cap screw mech zinc b18.2.1 | 103 |
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| Dan-Loc | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 3/4-10 x 2 1/4 | 3/4-10x2-1/4 c/s 12 pt b7/l7 pl full thread | 22547 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Plain | 9/16-18 x 2 1/4 | 9/16-18 x 2 1/4 alloy 170psi 12 point flange bolts hrc 38-43 1-1/4 thread length | stock |
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| SRF | AL | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-10 x 2 1/4 | 12 pt counterbore screw | 1 |
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| CNB | IL | 12 Point Flange Screw (CounterBore) | Steel | Zinc/Clear | 5/8-11 x 2 1/4 | 12-point counterbore | 50 |
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| Delta | TX | 12 Point Flange Screw (CounterBore) | Grade B7 | Plain | 1/2-13 x 2 1/4 | 12 pt countr-bor a193-b7 1/2-13 x 2 1/4 | 50 |
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| WSB | KY | 12 Point Flange Screw (CounterBore) | Steel | Phosphate | 1/2-13 x 2 1/4 | q/screw 12pt flange all (po) 1/2-13x2 1/4 b18.2.1 | 4,600 |
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| MTP | CA | 12 Point Flange Screw (CounterBore) | Steel | Black Oxide | 3/8-24 x 2 1/4 | 12 pt flange screw alloy | 100 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 12 point flange bolt plain b18.2.1 | 89 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/4-16 x 2 1/4 | 3/4-16 x 2 1/4 12 point flange bolt plain b18.2.1 | 12 |
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| All Size | TX | 12 Point Flange Screw (CounterBore) | Steel | Plain | 3/8-24 x 2 1/4 | 3/8-24 x 2 1/4 12 point flange bolt plain b18.2.1 | 142 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 countr-bor alloy | 1,600 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | 5/8-11 x 2 1/4 | 5/8-11 x 2 1/4 counter-bor alloy zinc flake | 194 |
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| Wurth | IN | 12 Point Flange Screw (CounterBore) | Steel | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 counter-bor alloy zinc flake | 467 |
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