| Place of Origin |
Zhejiang China (Mainland) |
spherical washer DIN74316 Iinternal diameter external diameter heigh Units mm M18 OPEN 18.2 19 29 7 M18 CLOSE 18.2 18.5 27 3.5 M20 OPEN 20.5 21.2 34 8 M20 CLOSE 20.2 20.5 30 5.5 M22 OPEN 22.5 23.2 34 8 M22 CLOSE 22.2 22.5 32 5.5.