1/4"-28 Grade 8 Hex Prevailing Torque Top Lock Nuts Zinc

Product Description

Part Number: 25FPTNCZ
Diameter/Pitch: 1/4"-28
Grade: Grade 8
Finish: Zinc Clear
Coarse / Fine Threads: Fine
Wrench Size: 7/16"
Click Here for Tech Drawing

BoltsandNuts.com

1/4"-28 Grade 8 Hex Prevailing Torque Top Lock Nuts Zinc

SKU: 25FPTNCZ

Product Description

Part Number: 25FPTNCZ
Diameter/Pitch: 1/4"-28
Grade: Grade 8
Finish: Zinc Clear
Coarse / Fine Threads: Fine
Wrench Size: 7/16"
Click Here for Tech Drawing

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Diameter Pitch	1/4"-28
Finish	Zinc Clear
Threads Per Inch	28 TPI
Proof Load	5,460 lbf
Lock Type	Top Lock Nuts
Prevailing Torque	18 in-lb max (first installation)

Grade	Grade 8
Material	Medium carbon steel, heat treated
Width Across Flats	0.438" (7/16")
Proof Stress	150,000 psi
Locking Type	All-metal prevailing torque (distorted thread)
Break Away Torque	3.5 in-lb min (fifth removal)

Grade Material	Grade 8
Thread Class	2B
Width Across Corners	0.505" max
Tensile Stress Area	0.0364 sq in
Inch Metric	Inch
Max Temperature	Rated to 450°F (all-metal)