Internal Tooth Lock Washer, For Screw Size 3/8 in Phosphor Bronze, Plain Finish, 50 PK, EnjoyTool Select, Mfr#: U50462.037.0001

Lock Washer, Lock Washer Type Internal Tooth Lock, Finish Plain, Material Phosphor Bronze, For Screw Size 3/8 in, Inside Diameter 0.398 in, Outside Diameter 0.692 in, Maximum Thickness 0.04 in, Color Bronze, Dimensional Standards ASME B18.21.1, For Use With Large Round, Pan, or Binding Head Screws, Material Grade/Class Not Graded, Pack Size Small Pack, Rockwell Hardness B90, System of Measurement Inch, Thickness Tolerance 0.032 in to 0.04 in, Package Quantity 50