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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

2,369 12 Point Flange Screw (CounterBore), showing 200, (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
SupplierLocTypeMaterialFinishSizeDescriptionQty 
MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Black5/16-18 x 7/85/16-18x7/8 blk/zn 12 point flange screwsstock
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MTPCA12 Point Flange Screw (CounterBore)SteelPlain9/16-18 x 2 1/49/16-18 x 2 1/4 alloy 170psi 12 point flange bolts hrc 38-43 1-1/4 thread lengthstock
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Yellow9/16-18 x 5 1/29/16-18 x 5 1/2 alloy 170psi 12 point flange bolts yellow zinc 8u hrc 38-432,710
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Yellow9/16-18 x 69/16-18 x 6 alloy 170psi 12 point flange bolts yellow zinc 8u hrc 38-432,710
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 1 1/2nf ferry c/s71
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 1/2nc ferry c/s7
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/16-24 x 1 1/2nf ferry c/s106
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 2nc ferry c/s49
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JacksonMS12 Point Flange Screw (CounterBore)SteelZinc/Clear3/8-24 x 1nf ferry c/s35
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain3/8-24 x 1 1/4nf ferry c/s3
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain3/8-24 x 1 1/2nf ferry c/s86
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1nc ferry c/s50
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/4nc ferry c/s50
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3ferry c/s1
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1nc ferry c/s20
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2nf ferry c/s6
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1 1/4-12 x 4 1/21 1/4-12x4-1/2 ferry c/s40
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2-1/4 nc ferry head c/s plain24
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain3/4 x 4-1/2 ferry head cap screw 170m psi 12 point plain partially threaded8
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/4-28 x 7/81/4-28x7/8 gr8 12pt hd flange bolt plain50
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 13/8-16x1 gr8 12pt hd flange bolt plain200
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 1 1/43/8-16x1 1/4 gr8 12pt hd flange bolt plain300
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 1 1/23/8-16x1 1/2 gr8 12pt hd flange bolt plain200
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 23/8-16x2 gr8 12pt hd flange bolt plain200
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 2 1/23/8-16x2 1/2 gr8 12pt hd flange bolt plain460
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-24 x 13/8-24x1 gr8 12pt hd flange bolt plain50
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-24 x 1 1/43/8-24x1 1/4 gr8 12pt hd flange bolt plain50
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-24 x 1 1/23/8-24x1 1/2 gr8 12pt hd flange bolt plain50
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain3/8-24 x 23/8-24x2 gr8 12pt hd flange bolt plain50
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain7/16-14 x 17/16-14x1 gr8 12pt hd flange bolt plain100
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain7/16-14 x 1 1/47/16-14x1 1/4 gr8 12pt hd flange bolt plain100
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain7/16-14 x 1 1/27/16-14x1 1/2 gr8 12pt hd flange bolt plain100
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain7/16-14 x 27/16-14x2 gr8 12pt hd flange bolt plain100
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain7/16-20 x 17/16-20x1 gr8 12pt hd flange bolt plain50
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain7/16-20 x 1 1/27/16-20x1 1/2 gr8 12pt hd flange bolt plain16
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-13 x 11/2-13x1 gr8 12pt hd flange bolt plain150
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-13 x 1 1/41/2-13x1 1/4 gr8 12pt hd flange bolt plain150
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-13 x 1 1/21/2-13x1 1/2 gr8 12pt hd flange bolt plain200
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-13 x 21/2-13x2 gr8 12pt hd flange bolt plain150
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TownCountryAR12 Point Flange Screw (CounterBore)SteelPlain3/8 x 3/16adjustable counterbore #54
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TownCountryAR12 Point Flange Screw (CounterBore)SteelPlain1/2 x 13/64adjustable counterbore style #5 1/2 shank 4 1/2 oal1
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 3/4nc ferry c/s 170m psi 12-pt fl/b finish36
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YANKEENH12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 3/45/16-18 x 3/4-12-point flange screw high strength alloy steel41
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YANKEENH12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 2 1/23/8-16 x 2-1/2 12 point flange bolt-high tensile strength-alloy steel20
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM8-1.25 x 20m8-1.25 x 20 12 point cap screw alloy130
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM8-1.25 x 20m8-1.25 x 20 12 point cap screw alloy100
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM8-1.25 x 50m8-1.25 x 50 12 point cap screw alloy75
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-20 x 1 1/41/4-20 x 1 1/4 12 point cap screw alloy b18.2.1100
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-20 x 1 1/41/4-20 x 1 1/4 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-20 x 1 1/21/4-20 x 1 1/2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-20 x 1 1/21/4-20 x 1 1/2 12 point cap screw alloy b18.2.150
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-20 x 3/41/4-20 x 3/4 12 point cap screw alloy b18.2.1104
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 1 1/41/4-28 x 1 1/4 12 point cap screw alloy b18.2.175
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 1 1/41/4-28 x 1 1/4 12 point cap screw alloy b18.2.1100
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 12 point cap screw alloy b18.2.1175
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 1 1/21/4-28 x 1 1/2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 3/41/4-28 x 3/4 12 point cap screw alloy b18.2.1200
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 15/16-18 x 1 12 point cap screw alloy b18.2.11294
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 15/16-18 x 1 12 point cap screw alloy b18.2.1100
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 12 point cap screw alloy b18.2.1200
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 12 point cap screw alloy b18.2.150
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 3/45/16-18 x 1 3/4 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 3/45/16-18 x 1 3/4 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 25/16-18 x 2 12 point cap screw alloy b18.2.125
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Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 2 1/412-pt fl/b astm193 b7 material plate & bake per printinquire
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Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 2 3/812-pt fl/b astma193 b7 material plate & bake per printinquire
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Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 2 3/412-pt fl/b astma193 b7 material plate & bake per printinquire
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Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 3 1/212-pt fl/b astma193 b7 material plate & bake per printinquire
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Set ScrewIL12 Point Flange Screw (CounterBore)Grade B7Nickel5/8-11 x 3 3/412-pt fl/b astma193 b7 material plate & bake per printinquire
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METRO INDOH12 Point Flange Screw (CounterBore)Class 12.9PlainM20 x 100M20x100 counterbore 12 point cap screw 12.920
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METRO INDOH12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3counterbore sae15
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METRO INDOH12 Point Flange Screw (CounterBore)SteelPlainM8 x 30counter bor1700
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ExpressCA12 Point Flange Screw (CounterBore)SteelBlack Oxide5/16-24 x 1 3/45/16-24x1-3/4 flange bolt 12pt black alloy400
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ExpressCA12 Point Flange Screw (CounterBore)Class 12.9Black OxideM8-1.25 x 30M8-1.25x30 flange bolt 12.9 12pt black alloy100
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JHP FastenersTX12 Point Flange Screw (CounterBore)SteelZinc/ClearM3.5screw m3.5x12 pt pan/phil steel zinc2974
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JHP FastenersTX12 Point Flange Screw (CounterBore)SteelZinc/BlackM3.5screw m3.5x12 pt pan/phil black zinc1884
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JHP FastenersTX12 Point Flange Screw (CounterBore)SteelZinc/Yellowscrew hex double sems m4x8 split & flat combo 10mm od on flat steel yellow zinc1150
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QFCTX12 Point Flange Screw (CounterBore)SteelPlain1/2 x 1 1/41/2x1 1/4nc ferry head cap screw b18.2.1100
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QFCTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13x1 1/2 ferry head c/s alloy plain b18.2.1800
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QFCTX12 Point Flange Screw (CounterBore)SteelZinc/Clear3/4-10 x 23/4-10x2 ferry head c/s 170ksi mech zinc mtrs must show hrc 37-45 and chemistry b18.2.174
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/41/4 counterbore # csc55655 b18.2.11
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 15/16-18 x 1 12 pt flange bolts b18.2.19
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 1/45/16-18 x 1 1/4 12 pt flange bolts b18.2.1347
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain5/16-24 x 15/16-24 x 1 12 pt flange bolts b18.2.154
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 1 3/43/8-16 x 1 3/4 12 pt flange bolts b18.2.12
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 4 3/43/8-16 x 4 3/4 12 pt flange bolts b18.2.1104
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 12 pt flange bolts b18.2.125
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 12 pt flange bolts b18.2.125
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/21/2-20 x 2 1/2 12 pt flange bolts b18.2.165
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B & K FASTPA12 Point Flange Screw (CounterBore)Grade 8Plain9/16-18 x 1 1/29/16-18 x 1 1/2 12 pt flange bolts gr 8 plain b18.2.11
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 3/45/8-11 x 1 3/4 12 pt flange bolts b18.2.144
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 25/8-18 x 2 12 pt flange bolts b18.2.117
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 1/25/8-18 x 2 1/2 12 pt flange bolts b18.2.128
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain7/8-14 x 47/8-14 x 4 12 pt flange bolts b18.2.11
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B & K FASTPA12 Point Flange Screw (CounterBore)Class 12.9PlainM10-1.50 x 35m10-1.50 x 35 12 pt flange bolts 12.923
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B & K FASTPA12 Point Flange Screw (CounterBore)Class 12.9PlainM12-1.75 x 40m12-1.75 x 40 12 pt flange bolts 12.9 plain5
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B & K FASTPA12 Point Flange Screw (CounterBore)Class 12.9PlainM16-2.00 x 40m16-2.0 x 40 12 pt flange bolts 12.9 plain3
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B & K FASTPA12 Point Flange Screw (CounterBore)Class 12.9PlainM16-2.00 x 50m16-2.0 x 50 12 pt flange bolts 12.925
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 5ferry c/s5
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CNBIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 512-pt c/s100
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CNBIL12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 1/212-pt fl/b material 8640 or 8740 material with .844 unthreaded shank per finish ifi 11516319
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CNBIL12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 3 1/212-pt c/s per dwg # 4022158020234
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CNBIL12 Point Flange Screw (CounterBore)Grade 9Plain1 1/4-12unrf-3ax7 1/2 12-pt fl/b rc 37-43 tensile 170 000 min psi proofload140 000 min psi per drawing # wa5660 rev. 26838
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