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5/8 Counterbore Screws (ASME B18. 2.1)

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 
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 25/8-11 x 2 12 point cap screw alloy b18.2.11
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 6 1/25/8-11 x 6 1/2 inch 12 point cap screw alloy b18.2.110
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 1/25/8-18 x 2 1/2 12 point cap screw alloy b18.2.15
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 3 1/25/8-18 x 3 1/2 12 point cap screw alloy b18.2.115
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 55/8-18 x 5 12 point cap screw alloy b18.2.11
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 6 1/25/8-18 x 6 1/2 inch 12 point cap screw alloy b18.2.112
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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 b18.2.120
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GLFOH12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain5/8-18 x 8 1/45/8-18x8-1/4 12-pt flange bolt 17-4 ph s/s b18.2.1 () () ()1
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GLFOH12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain5/8-18 x 6 3/45/8-18x6-3/4 12-pt flange bolt 17-4 ph s/s b18.2.1 () () ()16
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GLFOH12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 1 3/45/8-11x1-3/4 12 point flange screw-grade 8-plain b18.2.1 () () ()15
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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)SteelPlain5/8-18 x 2 3/45/8-18x2 3/4 fine 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 b18.2.110
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 2 1/45/8-18x2 1/4 fine 12-point flange screw alloy pln b18.2.169
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/2fine 12-point fl/b b18.2.120
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 55/8-18x5 fine 12-point flange screw alloy pln b18.2.114
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/25/8-11x3 1/2 coarse 12-point flange screw alloy pln b18.2.118
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 25/8-11 x 2 12 point cap screw alloy b18.2.15
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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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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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General FMI12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 1 3/45/8-18 x 1.75 counterbore scr q-29 b18.2.1273
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OSSCORI12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 2 1/45/8-11x2 1/4 ferry ctrbore cap screw gr8 b18.2.115
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OSSCORI12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 2 1/25/8-11x2 1/2 ferry ctrbore cap screw gr8 b18.2.120
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OSSCORI12 Point Flange Screw (CounterBore)Grade 8Plain5/8-11 x 35/8-11x3 ferry ctrbore cap screw gr8 b18.2.117
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Bostwick IN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/45/8-11 x 1 1/4 12 pt. counterbore screw alloy b18.2.178
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Bostwick IN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 45/8-11 x 4 12 pt. counterbore screw alloy b18.2.19
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Bostwick IN12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 4 1/25/8-11 x 4 1/2 12 pt. counterbore screw alloy b18.2.112
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THRDFASTFL12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/412 pt counterbore screw b18.2.11
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THRDFASTOK12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 1 1/212 pt counterbore screw b18.2.132
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/25/8-18 x 4-1/2 12 point flange bolt plain b18.2.11
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 3 1/25/8-11 x 3-1/2 12 point flange bolt plain b18.2.123
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-11 x 15/8-11 x 1 12 point flange bolt plain b18.2.118
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