DIN 479

Dimensions of Square Head Bolts With Short Dog Point

Dimensions	Thread d
	P	a1	dp		e		k
		max	nominal=max	min	nominal=max	min	nominal	max	min
M 5	0.8	2.4	3.5	3.32	6.5	5.92	5	4.85	5.15
M 6	1	3	4	3.82	8	7.42	6	5.85	6.15
M 8	1.25	4	5.5	5.32	10	9.42	8	7.82	8.18
M 10	1.5	4.5	7	6.78	13	12.3	10	9.82	10.18
M 12	1.75	5.3	8.5	8.28	17	16.3	12	11.79	12.21
M 16	2	6	12	11.73	22	21.16	16	15.79	16.21
M 20	2.5	7.5	15	14.73	28	27.16	20	19.74	20.26
M 24	3	9	18	17.78	32	31	22	21.74	22.26

Dimensions	Thread d
	k'	r	s		z1
	min	min	nominal=max	min	nominal=max	min
M 5	3.4	0.2	5	4.82	1.25	1.5
M 6	4.1	0.25	6	5.82	1.5	1.75
M 8	5.5	0.4	8	7.78	2	2.25
M 10	6.9	0.4	10	9.78	2.5	2.75
M 12	8.3	0.6	13	12.73	3	3.25
M 16	11.1	0.6	17	16.73	4	4.3
M 20	13.8	0.8	22	21.67	5	2.3
M 24	15.2	0.8	24	23.67	6	6.3

DIN 479 Square Head Bolts Weights

Diameter	M5	M6	M8	M10	M12	M16	M20	M24
Length
8	2.59	3.00
10	2.83	3.35	7.2
16	3.57	4.41	9.0	15.5
20	4.05	5.10	10.2	17.4	30.8
25	4.66	5.97	11.7	19.8	34.4
30	5.26	6.84	13.3	22.3	38.0
35	5.87	7.71	14.9	24.8	41.6
40	6.48	8.58	16.4	27.3	45.2	87.6
45		9.44	18.0	29.7	48.8	94.3
50			19.5	32.2	52.4	101	176
55			21.1	34.7	56.0	107	186	259
60				37.2	59.6	114	197	273
70					66.8	127	217	303
80					74.0	140	238	333
90					81.2	153	258	362
100						167	279	392
110						180	299	421
120						193	320	451
140							361	510

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