3/8" Lock Washer, Alloy Steel, 100/Pack

These split lock washers are made from alloy steel with a zinc finish and designed to maintain tension and resist warping even under high temperatures. Precision heat-treated to avoid brittleness, it meets ANSI/ASME B18.21.1 specifications for mechanical and dimensional standards. Engineered for use with Lawson Tuff-Torq Cap Screws, it ensures a matched strength fastening system for reliable performance.