TRUSCO Flat Washer JIS SUS316L M20 4 pieces (Stainless Steel) B149-0020 1 PK

Catalog number: B149-0020 Features: ● A general flat washer to prevent the head of a male screw or a nut from biting into the base material. Specifications: ● Nominal diameter: M20 ● Outer diameter (mm): 40 ● Inner diameter (mm): 21.0 ● Thickness (mm): 3.0 ● Package: Bolt pack (blister) Material/Finish: ● Stainless steel (SUS316L)