ASME B18.21.1 — Lock Washers

ASME B18.21.1 specifies dimensions for helical spring lock washers and tooth lock washers in inch sizes.

What It Covers

• Helical (split) spring lock washers
• Internal and external tooth washers
• Material and finish requirements

Related Fasteners

• Split Lock Washer
• Tooth Lock Washer
• Keps Nut
• Flat Washer