3/8" Steel Internal Tooth Lock Washer Zinc

SKU: 37ITLW2Z

Product Description

Part Number: 37ITLW2Z
Diameter: 3/8"
Finish: Zinc Clear

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Material	Hardened carbon steel
Pattern	Internal Tooth (Star)
Outside Diameter	0.692" nom
System	Inch

Finish	Zinc Clear
Diameter	3/8"
Inside Diameter	0.398" nom

Specifications Met	ASME B18.21.1
Thickness	0.040" nom
Locking Type	Serrated tooth bite

Technical Drawing

Not to scale · ASME B18.21.1 · See table for exact dimensions

Technical Dimensions

Outside Diameter	0.692" nom
Inside Diameter	0.398" nom
Thickness	0.040" nom
Fits Bolt Size	3/8"
Pattern	Internal Tooth (Star)
Locking Action	Serrated tooth bite
Material	Hardened carbon steel

Internal tooth lock washer: twisted teeth around the inside edge bite the fastener head and the bearing surface to resist turning. The teeth sit hidden under the head for a neat appearance.

Dimensions conform to ASME B18.21.1 and may vary within specified manufacturing tolerances.