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Product Description

Part Number: 31C100BFL8Y
Diameter/Pitch: 5/16"-18
Grade: Grade 8
Length Under Head: 1"
Finish: Zinc Yellow
Coarse/Fine Threads: Coarse
Partial/Full Threads: Full
Wrench Size: 1/2"

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5/16-18x1" Grade 8 Hex Flange Frame Bolts Zinc Yellow

SKU: 31C100BFL8Y
Product Description

Part Number: 31C100BFL8Y
Diameter/Pitch: 5/16"-18
Grade: Grade 8
Length Under Head: 1"
Finish: Zinc Yellow
Coarse/Fine Threads: Coarse
Partial/Full Threads: Full
Wrench Size: 1/2"

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Diameter Pitch5/16"-18
FinishZinc Yellow
Thread Class2A
Proof Load6,290 lbf
Tensile Stress Area0.0524 sq in
Inch MetricInch
Length Under Head1"
MaterialMedium carbon alloy steel, quenched and tempered
Threads Per Inch18 TPI
Tensile Strength150,000 psi
HardnessRockwell C33–C39
Diameter Pitch 15/16"-18
GradeGrade 8
Partial Full ThreadsFull
Major Diameter0.312"
Yield Strength130,000 psi
Head TypeHex Flange (Frame Bolt)

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