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Product Description

Part Number: 43FPTNCZ
Diameter/Pitch: 7/16"-20
Grade: Grade 8
Finish: Zinc Clear
Coarse / Fine Threads: Fine
Wrench Size: 11/16"
Click Here for Tech Drawing

BoltsandNuts.com

7/16"-20 Grade 8 Hex Prevailing Torque Top Lock Nuts Zinc

SKU: 43FPTNCZ
Product Description

Part Number: 43FPTNCZ
Diameter/Pitch: 7/16"-20
Grade: Grade 8
Finish: Zinc Clear
Coarse / Fine Threads: Fine
Wrench Size: 11/16"
Click Here for Tech Drawing

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Diameter Pitch7/16"-20
FinishZinc Clear
Threads Per Inch20 TPI
Proof Load17,810 lbf
Lock TypeTop Lock Nuts
Prevailing Torque48 in-lb max (first installation)
GradeGrade 8
MaterialMedium carbon steel, heat treated
Width Across Flats0.688" (11/16")
Proof Stress150,000 psi
Locking TypeAll-metal prevailing torque (distorted thread)
Break Away Torque9 in-lb min (fifth removal)
Grade MaterialGrade 8
Thread Class2B
Width Across Corners0.794" max
Tensile Stress Area0.1187 sq in
Inch MetricInch
Max TemperatureRated to 450°F (all-metal)

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