Counterbore Screws, All ASME Grades of Steel

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

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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)Grade 8Zinc/Yellow9/16-18 x 49/16-18 x 4 Grade 8 12 Point Flange Bolts Zinc Yellow3,688
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MTPCA12 Point Flange Screw (CounterBore)SteelPlain7/16-20 x 1 1/27/16-20 x 1 1/2 alloy 12 point flange bolts500
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MTPCA12 Point Flange Screw (CounterBore)Grade 8Zinc/Yellow9/16-18 x 59/16-18 x 5 Grade 8 12 Point Flange Bolts Zinc Yellow3,028
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/ClearM12-1.50 x 25m12-1.50 x 25 chromoly 4340 zn with heaby nylon patch 180m psi tensile 12 point flange bolt1,800
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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 b18.2.158
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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 1/25/8-11 x 1 1/2 12 pt flange bolts b18.2.112
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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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MTPCA12 Point Flange Screw (CounterBore)Grade 8Zinc/Yellow9/16-18 x 49/16-18 x 4 Grade 8 12 Point Flange Bolts Zinc Yellow3,688
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MTPCA12 Point Flange Screw (CounterBore)SteelPlain7/16-20 x 1 1/27/16-20 x 1 1/2 alloy 12 point flange bolts500
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MTPCA12 Point Flange Screw (CounterBore)Grade 8Zinc/Yellow9/16-18 x 59/16-18 x 5 Grade 8 12 Point Flange Bolts Zinc Yellow3,028
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/ClearM12-1.50 x 25m12-1.50 x 25 chromoly 4340 zn with heaby nylon patch 180m psi tensile 12 point flange bolt1,800
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/BlackM12-1.25 x 140m12-1.25 x 140 chromoly 4340 blk/zn 180m psi tensile 12 point flange bolts thread class mj-4g6gstock
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MTPCA12 Point Flange Screw (CounterBore)SteelPlain7/16-20 x 1 1/47/16-20 x 1 1/4 alloy 12 point flange bolts500
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-20 x 2 1/21/2-20 x 2 1/2 alloy zn 12 pt flange screwsstock
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-20 x 1 1/41/2-20 x 1 1/4 alloy zn 12 pt flange screws200
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/ClearM6 x 14m6 x 14 chromoly 4340 zn 180m psi tensile 12 point flange boltsstock
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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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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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YANKEENH12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1.25-12-pt flange high strength screw72
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EndriesWI12 Point Flange Screw (CounterBore)SteelPlain7/16-14 x 1 1/47/16-14x1-1/4 alloy stl 170 000 psi 12 point flange screw plain400
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ACCURATEIL12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 1 3/412-pt flange scr gr8 counter-bor139
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ACCURATEIL12 Point Flange Screw (CounterBore)Grade 8Plain3/8-16 x 1 1/412-pt flange scr gr8 counter-bor435
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ACCURATEIL12 Point Flange Screw (CounterBore)Grade 8Plain3/8-24 x 1 3/412-pt flange scr gr8 counter-bor184
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ACCURATEIL12 Point Flange Screw (CounterBore)Grade 8Plain5/16-18 x 1 1/212-pt flange scr gr8 counter-bor26
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ACCURATEIL12 Point Flange Screw (CounterBore)Grade 8Plain5/16-24 x 5/812-pt flange scr gr8 counter-bor30
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CenturyFL12 Point Flange Screw (CounterBore)SteelPlain1.63ms21250-040263
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CenturyFL12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 3 1/23/4-16 x 3 1/2 12 point flange screw2649
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain7/16-20 x 2 1/2fine 12-point fl/b b18.2.140
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/4coarse 12-point fl/b b18.2.1210
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 3 1/2coarse 12-point fl/b b18.2.125
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4fine 12-point fl/b b18.2.1195
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 5coarse 12-point fl/b b18.2.125
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 2fine 12-point fl/b b18.2.1100
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/16-24 x 3 1/4fine 12-point fl/b b18.2.150
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/4-28 x 2 1/4fine 12-point fl/b b18.2.1100
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 2 1/4coarse 12-point fl/b b18.2.119
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 45/16-18x4 coarse 12-point flange screw alloy pln b18.2.135
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain7/8-9 x 2 1/47/8-9x2 1/4 coarse 12-point flange screw alloy pln b18.2.18
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 3/45/8-18x2 3/4 fine 12-point flange screw alloy pln b18.2.115
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain7/16-14 x 2 1/27/16-14x2 1/2 coarse 12-point flange screw alloy pln b18.2.125
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 3 1/45/16-18x3 1/4 coarse 12-point flange screw alloy pln b18.2.15
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3 1/25/8-18x3 1/2 fine 12-point flange screw alloy pln b18.2.120
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 31/2-20x3 fine 12-point flange screw alloy pln b18.2.133
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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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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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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)SteelPlain1/2-13 x 5ferry c/s5
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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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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 1 1/43/8-16 x 1 1/4 12 point cap screw alloy b18.2.160
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/8-24 x 2 1/43/8-24 x 2 1/4 12 point cap screw full thrd alloy b18.2.1100
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain7/16-14 x 1 1/27/16-14 x 1 1/2 12 point cap screw alloy b18.2.110
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain7/16-20 x 27/16-20 x 2 12 point cap screw alloy b18.2.150
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 11/2-13 x 1 12 point cap screw alloy b18.2.115
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 12 point cap screw alloy b18.2.130
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 21/2-20 x 2 12 point cap screw alloy b18.2.15
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 1/25/8-18 x 1 1/2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 45/8-18 x 4 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 1/23/4-10 x 3 1/2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 103/4-16 x 10 12 point cap screw alloy b18.2.110
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 3 1/23/4-16 x 3 1/2 12 point cap screw alloy b18.2.112
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM10-1.50 x 35m10-1.5 x 35 12 point cap screw alloy10
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM12-1.75 x 25m12-1.75 x 25 12 point cap screw alloy30
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/4-20 x 1/21/4-20 x 1/2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/16-24 x 35/16-24 x 3 12 point cap screw alloy b18.2.120
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 3/4nc ferry c/s 170m psi 12-pt fl/b finish51
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM10-1.50 x 25m10-1.5 x 25 12 point cap screw alloy75
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlainM10-1.50 x 30m10-1.5 x 30 12 point cap screw alloy85
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OlanderCA12 Point Flange Screw (CounterBore)SteelZinc/ClearM3.5m3.5 x 12 pt oval hd scr phil stl zn1543
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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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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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RCFastAZ12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 5/812 pt. c/s ext. stl fac blackinquire
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RCFastAZ12 Point Flange Screw (CounterBore)SteelPlainBOLT MS21250-0412inquire
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RCFastAZ12 Point Flange Screw (CounterBore)SteelCadmiumper print (3/8-24x4 5/16 12 pt. bolt stl cad clear & bake)inquire
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RCFastAZ12 Point Flange Screw (CounterBore)SteelCadmiumper print (3/8-24x2 cptvd 12 pt. bolt stl cad clear & bake)inquire
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RCFastAZ12 Point Flange Screw (CounterBore)SteelCadmiumper print (3/8-24x2 15/16 full-thrd 12 pt. bolt stl cad clear & bake)inquire
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/ClearM10-1.25 x 130m10-1.25 x 130 chromoly 4340 zn 190m psi tensile 12 point flange boltsstock
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/ClearM10-1.25 x 140m10-1.25 x 140 chromoly 4340 zn 190m psi tensile 12 point flange boltsstock
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HBBOLTCA12 Point Flange Screw (CounterBore)SteelPlain5/16-18 x 1 1/4m psi 12 pt fl/b100
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EurolinkSC12 Point Flange Screw (CounterBore)SteelGalvanizedM12m12 lindapter gt f 9 hot dip galvanized lindapter flange clamp with two parts with screws nuts and washers1
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Eur olinkSC12 Point Flange Screw (CounterBore)SteelZinc/ClearM12m12 lindapter gt f 9 zinc plated lindapter flange clamp with two parts with screws nuts and washers1
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