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Product Description

Part Number: 31C150BFL8P
Diameter/Pitch: 5/16"-18
Grade: Grade 8
Length Under Head: 1-1/2"
Finish: Phos & Oil
Coarse/Fine Threads: Coarse
Partial/Full Threads: Partial
Wrench Size: 1/2"

BoltsandNuts.com

5/16-18x1-1/2" Grade 8 Hex Flange Frame Bolts Phos & Oil

SKU: 31C150BFL8P
Product Description

Part Number: 31C150BFL8P
Diameter/Pitch: 5/16"-18
Grade: Grade 8
Length Under Head: 1-1/2"
Finish: Phos & Oil
Coarse/Fine Threads: Coarse
Partial/Full Threads: Partial
Wrench Size: 1/2"

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Diameter Pitch5/16"-18
FinishPhosphate & Oil
Thread Class2A
Proof Load6,290 lbf
Tensile Stress Area0.0524 sq in
Inch MetricInch
Length Under Head1-1/2"
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 ThreadsPartial
Major Diameter0.312"
Yield Strength130,000 psi
Head TypeHex Flange (Frame Bolt)

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