TRUSCO Disc Heavy Outer Diameter Inner Diameter 36mm T22018 Spring, Duty, 71mm, (1 Piece),

Outer diameter (mm): 71 Inner diameter (mm): 36 t Plate thickness (mm): 4 Maximum deflection h x 0.75 (mm): 1.2 Usage deflection h x 0.75 (mm): 1.2 t+h height (mm): 5.6 Standard: Conforms to JIS B 2706 Hardness: HRC37~46 Surface treatment: Glossy finish (SUS304-CSP) SUS304-CSP