Dimensions for DIN 7513 B Hex tapping screws B = with cylinder head and slot

Thread d	dk		da	k		n			r	t	w	case depth
	nominal = max	min	max	nominal = max	min	nominal	min	max	min	min	min	min	max
M2.5	4.5	4.32	3.1	1.6	1.46	0.6	0.66	0.8	0.1	0.7	0.56	0.04	0.12
M3	5.5	5.32	3.6	2	1.86	0.8	0.86	1	0.1	0.85	0.76	0.05	0.18
M4	7	6.78	4.7	2.6	2.46	1.2	1.26	1.51	0.2	1.1	1.06	0.1	0.25
M5	8.5	8.26	5.7	3.3	3.12	1.2	1.26	1.51	0.2	1.3	1.52	0.1	0.25
M6	10	9.78	6.8	3.9	3.6	1.6	1.66	1.91	0.25	1.6	1.6	0.15	0.28
M8	13	12.73	9.2	5	4.7	2	2.06	2.31	0.4	2	2.2	0.15	0.28