National Bolt & Nut Corp. - Helical Spring Lock Washers

Helical spring lock washers possess a hardened bearing surface that allows for more uniform torque control, and harness greater bolt tension per unit of applied torque. Helical spring lock washers are one of the most common anti-loosening components used for a great variety of general industrial assemblies.
Constructed from hardened steel material, our helical spring lock washers meet ANSI B18.21.1 dimensional specifications and are equipped with a plain finish.
Other materials and finishes available. For further information, call or send an information request.

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Unit of Measure

Items	Custom Custom Helical Spring Lock Washer	pn-12135 Helical Spring Lock Washer - Light Series - - - Plain	pn-12136 Helical Spring Lock Washer - Light Series - - - Plain	pn-12137 Helical Spring Lock Washer - Light Series - - - Plain	pn-12138 Helical Spring Lock Washer - Light Series - - - Plain
Series	N/A	N/A Light Series	N/A Light Series	N/A Light Series	N/A Light Series
Size	N/A Custom	N/A 1 5/8 in	N/A 1 3/4 in	N/A 2 in	N/A 2 1/4 in
Finish	N/A Custom	N/A Plain	N/A Plain	N/A Plain	N/A Plain
Weight / C	N/A	N/A 22.00 lb	N/A 25.50 lb	N/A 32.10 lb	N/A 42.90 lb