72375

    M4 Plain Washer (10-Pack) SKU: 72375 Weight: 10.00 Gram M4 plain washer is generally used together with with M4 bolts and nuts to reduce the pressure intencity and protect the beam surface. Specifications:      Type: Plain Washer Material: Steel Thickness: 0.4 mm Outer diameter: 9.0 mm Inner diameter: 4.2 mm                                                             https://store.makeblock.com/m4‐plain‐washer‐10‐pack/2‐26‐19