DIN 653 - Flat Knurled Thumb Screws Specifications Brass Copper Stainless Steel

*All measurements in millimeters (mm)*

d	dk	k
M3	12	2.5
M4	16	3.5
M5	20	4
M6	24	5
M8	30	6
M10	36	8

*All information is strictly informative