1/2"-13 Grade L-9 Hex Collar Locknuts USA Zinc Yellow

Product Description

Part Number: 50CHLNL9Y
Diameter/Pitch: 1/2"-13
Grade: Grade L-9
Finish: Zinc Yellow
Thread Series: Coarse (UNC)
Wrench Size: 3/4"
Country of Origin: USA

BoltsandNuts.com

1/2"-13 Grade L-9 Hex Collar Locknuts USA Zinc Yellow

SKU: 50CHLNL9Y

Product Description

Part Number: 50CHLNL9Y
Diameter/Pitch: 1/2"-13
Grade: Grade L-9
Finish: Zinc Yellow
Thread Series: Coarse (UNC)
Wrench Size: 3/4"
Country of Origin: USA

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Thread Size	1/2"-13
Finish	Zinc Yellow
Thread Series	Coarse (UNC)
Specifications Met	IFI-100/107
Prevailing Torque	65 in-lb max (first installation)

Grade	Grade L-9
Head Type	Hex
Thread Class	2B
Lock Type	Collar Lock Nuts
Break Away Torque	12 in-lb min (fifth removal)

Material	Medium carbon steel, heat treated
Wrench Size	3/4"
Proof Load (min)	21,280 lbf
Locking Type	All-metal prevailing torque (distorted thread)
Max Temperature	Rated to 450°F (all-metal)

Technical Drawing

Not to scale · IFI-100/107 · See table for exact dimensions

Technical Dimensions

Width Across Flats	0.750" (3/4")
Thread Size	1/2"-13
Width Across Corners	0.866" max
Thread Class	2B
Proof Load	21,280 lbf
Prevailing Torque	65 in-lb max (first installation)
Break-Away Torque	12 in-lb min (fifth removal)
Locking Type	All-metal prevailing torque (distorted thread)
Max Temperature	Rated to 450°F (all-metal)
Material	Medium carbon steel, heat treated

All-metal collar lock nut: a crimped collar on top grips the bolt thread to resist vibration loosening without a nylon insert. Suitable for elevated temperatures where nylon would fail.

Dimensions conform to IFI-100/107 and may vary within specified manufacturing tolerances.