5/16"-18 Grade L-9 Hex Collar Locknuts USA Zinc Yellow

Product Description

Part Number: 31CHLNL9Y
Diameter/Pitch: 5/16"-18
Grade: Grade L-9
Finish: Zinc Yellow
Coarse / Fine Threads: Coarse
Wrench Size: 1/2"
Country of Origin: USA

BoltsandNuts.com

5/16"-18 Grade L-9 Hex Collar Locknuts USA Zinc Yellow

SKU: 31CHLNL9Y

Product Description

Part Number: 31CHLNL9Y
Diameter/Pitch: 5/16"-18
Grade: Grade L-9
Finish: Zinc Yellow
Coarse / Fine Threads: Coarse
Wrench Size: 1/2"
Country of Origin: USA

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1

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4000

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Diameter Pitch	5/16"-18
Finish	Zinc Yellow
Threads Per Inch	18 TPI
Proof Load	7,860 lbf
Lock Type	Collar Lock Nuts
Prevailing Torque	24 in-lb max (first installation)

Grade	Grade 8
Material	Medium carbon steel, heat treated
Width Across Flats	0.500" (1/2")
Proof Stress	150,000 psi
Locking Type	All-metal prevailing torque (distorted thread)
Break Away Torque	4.5 in-lb min (fifth removal)

Grade Material	Grade L-9
Thread Class	2B
Width Across Corners	0.577" max
Tensile Stress Area	0.0524 sq in
Inch Metric	Inch
Max Temperature	Rated to 450°F (all-metal)