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Product Description

Part Number: 25CNNECP
Diameter/Pitch: 1/4"-20
Grade: Grade 8
Finish: Phosphate & Oil
Coarse / Fine Threads: Coarse
Wrench Size: 7/16"
Click Here for Tech Drawing




BoltsandNuts.com

1/4"-20 Grade 8 Hex Nylon Insert Lock Nuts Phos & Oil

SKU: 25CNNECP
Product Description

Part Number: 25CNNECP
Diameter/Pitch: 1/4"-20
Grade: Grade 8
Finish: Phosphate & Oil
Coarse / Fine Threads: Coarse
Wrench Size: 7/16"
Click Here for Tech Drawing




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Diameter Pitch1/4"-20
FinishPhosphate & Oil
Thread Class2B
Width Across Flats0.438" (7/16")
Major Diameter0.250"
Tensile Stress Area0.0318 sq in
Lock TypeNylon Insert Lock Nuts
Locking TypeNylon Insert (Prevailing Torque)
GradeGrade 8
MaterialMedium carbon alloy steel, quenched and tempered
Threads Per Inch20 TPI
Width Across Corners0.505" max
Proof Load4,770 lbf
HardnessRockwell C33–C39
Head TypeHex
Inch MetricInch
Grade MaterialGrade 8
Coarse Fine ThreadsCoarse
Wrench Size7/16"
Head Height7/32"
Proof Stress150,000 psi
Head MarkingJ995 Grade 8 marking
Nominal Size1/4"
Max Temperature250°F (nylon insert limit)

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