Lock Washer, Finish Zinc Plated, Material Steel, For Screw Size 1/2 in, Inside Diameter 0.52 in, Outside Diameter 0.768 in, Maximum Thickness 0.141 in, Minimum Thickness 0.141 in, Color Silver, Material Grade/Class Not Graded, Pack Size Small Pack, Rockwell Hardness C46, Thickness Tolerance +/-0.28 mm, Package Quantity 200.
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