Washer, DIN 9021, M 18 / M 20 (20,3x56mm), stainless steel A4

Listed as a washer, this version spreads the preload of the screw over a larger bearing surface. Relevant for the design are for screws M 18 / M 20 and inside diameter D 20,3 mm. The material used is stainless steel A4.

Benefits

• for screws M 18 / M 20
• inside diameter D 20,3 mm
• larger bearing surface under head and nut, evidenced by thickness S 4 mm
• outside diameter D1 56 mm
• thickness S 4 mm
• made of stainless steel A4

Fields of application

This design is used for bolted joints in machine, plant and fixture construction, here with inside diameter D 20,3 mm.

Standards

Dimensions and ratings follow DIN 9021.