SS External Tooth Lock Washer
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SS External Tooth Lock Washer

Stainless Steel external tooth lock washers are used under bolt heads or nuts to increase the hold of the fastener. They can be manufactured of 18-8 or 400 series stainless steel. External tooth lock washers have teeth on the outer dimension of the washer creating a ratchet action by biting into the nut or screw head and the surface it contacts. Dimensional specifications are governed by ASME B18.21.1. Stainless steel fasteners are commonly used in applications that require general atmospheric corrosion resistance, such as chemical and food processing equipment.

SS External Tooth Lock Washer
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Diameter Inside Diameter Outside Diameter Thickness Item # Availability Price Quantity UOM
#4 0.1410 0.3125 0.0160 WLES 4 In Stock $0.01103/EA EA
#8 0.1680 0.3750 0.0180 WLES 6 In Stock $0.01226/EA EA
#10 0.1950 0.4062 0.0180 WLES 8 In Stock $0.06661/EA EA
#12 0.2210 0.4688 0.0200 WLES 10 In Stock $0.08329/EA EA
1/4 0.2560 0.5000 0.0230 WLES025 In Stock $0.0349/EA EA
5/16 0.3200 0.5938 0.0280 WLES031 In Stock $0.03676/EA EA
3/8 0.3840 0.6875 0.0320 WLES037 In Stock $0.12555/EA EA
1/2 0.5130 0.9600 0.0320 WLES050 3-5 Working Days $0.16749/EA EA
5/8 0.6410 1.0450 0.0420 WLES062 In Stock $0.30843/EA EA