Lock Washer, Internal/External Tooth, Type A, Carbon Steel, Finish Zinc, Fits Bolt Sizes 8, Inside Dia. 0.176 In., Outside Dia. 0.610 In., Thickness 0.034 In., Rockwell Hardness C40 to C50, Helps Prevent Loosening, For Use With Small Screws, Meets/Exceeds ASME B18.21.1, Refills -, Package Quantity 100








