Standard DIN 6900 1
Sems screws are often called: Captivated Washers, ...

Dimensions in mm - source DIN 6900-1 Publication date: 12/1990 Supersedes DIN 6900-1: 12/1972 | |||||||
d Thread size | a max | Dimensions of plain washers (according to Din 6902) | |||||
Small series | Normal series | Large series | |||||
h nom | d2 max | h nom | d2 max | h nom | d2 max | ||
M 2.5 | |||||||
M 3 | |||||||
M3.5 | |||||||
M 4 | |||||||
M 5 | |||||||
M 6 | |||||||
M 8 | |||||||
M 10 | |||||||
M 12 |