DIN 557 Square Nut Dimensions

d	m	mw	s	e max	dw min.	¬
M5	4.0	2.5	8	11.3	6.7	8
M6	5.0	3.2	10	14.1	8.7	10
M8	6.5	4.1	13	18.4	11.5	13
M10	8.0	5.2	17	22.6	14.5	17
M12	10.0	6.6	19	25.4	16.5	19
M16	13.0	8.6	24	33.9	22.0	24