DIN 966

DIN 966 Cross recessed raised countersunk head screws Dimensions

Thread d	p	a	b	dk		f		r	rf	x	Cross Recess
											No.	Type H			Type Z
												m	penetration depth		m	penetration depth
		max	min	nom = max	min	approx	max	max	approx	max		approx.	min	max	approx	min	max
M1.6	0.35	0.7	15	3	2.75	0.4	0.96	0.4	3	0.9	0	1.9	0.74	1.1	1.8	0.89	1.14
M2	0.4	0.8	16	3.8	3.5	0.5	1.2	0.5	4	1	1	2.5	1.1	1.4	2.4	1.04	1.35
M2.5	0.45	0.9	18	4.7	4.4	0.6	1.5	0.7	5	1.1	1	2.7	1.3	1.6	2.8	1.5	1.75
M3	0.5	1	19	5.6	5.3	0.75	1.65	0.8	6	1.25	1	3.1	1.7	2	3.1	1.83	2.08
M3.5	0.8	1.2	20	6.5	6.14	0.9	1.93	0.95	7	1.5	2	4.2	1.74	2.24	4.3	1.93	2.39
M4	0.7	1.4	22	7.5	7.14	1	2.2	1	8	1.75	2	4.5	2.04	2.54	4.6	2.26	2.72
M5	0.8	1.6	25	9.2	8.84	1.25	2.5	1.3	10	2	2	5.3	2.77	3.27	5.3	2.89	3.35
M6	1	2	28	11	10.57	1.5	3	1.6	12	2.5	3	6.8	3.03	3.53	7	3.3	3.76
M8	1.25	2.5	34	14.5	14.07	2	4	2	16	3.2	4	9	4.18	4.68	8.8	4.06	4.52
M10	1.5	3	40	18	17.57	2.5	5	2.5	20	3.8	4	10	5.38	5.88	9.9	5.28	5.74

DIN 966 Phillips Oval Head Machine Screws Weights

Diameter	M2.5	M3	M3.5	M4	M5	M6	M8	M10
Length
3	0.211
4	0.242	0.350	0.536
5	0.272	0.395	0.596	0.824
6	0.302	0.439	0.656	0.902	1.49
8	0.362	0.527	0.775	1.06	1.73	2.66
10	0.422	0.615	0.894	1.21	1.98	3.01	6.14
12	0.482	0.703	1.01	1.37	2.23	3.36	6.78	11.7
14	0.543	0.791	1.13	1.52	2.47	3.72	7.41	12.7
16	0.603	0.880	1.25	1.68	2.72	4.07	8.05	13.7
18	0.663	0.968	1.37	1.83	2.97	4.42	8.68	14.7
20	0.723	1.06	1.49	1.99	3.22	4.78	9.32	15.7
22	0.783	1.14	1.61	2.14	3.46	5.13	9.95	16.7
25	0.874	1.28	1.79	2.37	3.83	5.66	10.9	18.2
28		1.41	1.97	2.61	4.11	6.19	11.8	19.7
30		1.5	2.09	2.76	4.44	6.55	12.5	20.7
35			2.39	3.15	4.93	7.43	14.1	23.7
40				3.53	5.68	8.31	15.7	25.7
45					6.30	9.20	17.3	28.2
50					6.93	10.1	18.9	30.7
55							20.5	33.2
60								35.8

Weights are in kilograms per 1,000 pieces unless otherwise specified. All weights are approximations and strictly informative.