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Product Description

Part Number: 56FFHN8Y
Diameter/Pitch: 9/16"-18
Grade: Grade 8
Finish: Zinc Yellow
Coarse / Fine Threads: Fine
Wrench Size: 7/8"
Click Here for Tech Drawing




BoltsandNuts.com

9/16"-18 Grade 8 Finished Hex Nuts Zinc Yellow

SKU: 56FFHN8Y
Product Description

Part Number: 56FFHN8Y
Diameter/Pitch: 9/16"-18
Grade: Grade 8
Finish: Zinc Yellow
Coarse / Fine Threads: Fine
Wrench Size: 7/8"
Click Here for Tech Drawing




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Diameter Pitch9/16"-18
FinishZinc Yellow
Thread Class2B
Width Across Flats0.875" (7/8")
Major Diameter0.5625"
Tensile Stress Area0.2030 sq in
Thread TypeFinished Hex
Nominal Size9/16"
GradeGrade 8
MaterialMedium carbon alloy steel, heat treated
Threads Per Inch18 TPI
Width Across Corners1.010" max
Proof Load30,450 lbf
HardnessRockwell C33–C39
Head TypeHex
Inch MetricInch
Grade MaterialGrade 8
Coarse Fine ThreadsFine
Wrench Size7/8"
Head Height31/64"
Proof Stress150,000 psi
Head MarkingJ995 Grade 8 marking
Height0.484" nom

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