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Product Description

Part Number: 25FFHN8Y/USA
Diameter/Pitch: 1/4"-28
Grade: Grade 8
Finish: Zinc Yellow
Coarse / Fine Threads: Fine
Wrench Size: 7/16"
Country of Origin: USA




BoltsandNuts.com

1/4"-28 Grade 8 Finished Hex Nuts Zinc Yellow (USA Made)

SKU: 25FFHN8Y/USA
Product Description

Part Number: 25FFHN8Y/USA
Diameter/Pitch: 1/4"-28
Grade: Grade 8
Finish: Zinc Yellow
Coarse / Fine Threads: Fine
Wrench Size: 7/16"
Country of Origin: USA




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Diameter Pitch1/4"-28
FinishZinc Yellow
Thread Class2B
Width Across Flats0.438" (7/16")
Major Diameter0.2500"
Tensile Stress Area0.0364 sq in
Thread TypeFinished Hex
Nominal Size1/4"
GradeGrade 8
MaterialMedium carbon alloy steel, heat treated
Threads Per Inch28 TPI
Width Across Corners0.505" max
Proof Load5,460 lbf
HardnessRockwell C33–C39
Head TypeHex
Inch MetricInch
Grade MaterialGrade 8
Coarse Fine ThreadsFine
Wrench Size7/16"
Head Height7/32"
Proof Stress150,000 psi
Head MarkingJ995 Grade 8 marking
Height0.219" nom

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