Flat Washer, Fits Bolt Size M4 ,Steel Black Oxide Finish, 25 PK
010 in, Pack Size Small Pack, Rockwell Hardness C4, Thickness Tolerance +0.3 mm, Outside Diameter 10 mm, Maximum Thickness 2 mm, System of Measurement Metric, Minimum Thickness 2 mm, Color Black, Inside Diameter Tolerance +/-0.010 in, Outside Diameter Tolerance +/-0.50mm, Package Quantity 25.