ISO 7411

Dimensions for ISO 7411 High-strength injection structural bolts

Thread d	p	b		c		da	ds			dw	e	k			k	r	s
Thread d	p	Above tde continous steped line	under tde continous steped line	Min	Max	Max	Nominal Size	Min	Max	Min	Min	Nominal Size	Min	Max	Min	Min	Nominal Size	Min
M 12	1.75	21	23	0.4	0.6	15.2	12	11.3	12.7	20	23.19	8	7.55	8.45	5.28	1.2	22	21.16
M 16	2	26	28	0.4	0.6	19.2	16	15.3	16.7	25	29.56	10	9.25	10.75	6.47	1.2	27	26.16
M 20	2.5	31	33	0.4	0.8	24	20	19.16	20.84	30	35.03	13	12.1	13.9	8.47	1.5	32	31
M 22	2.5	32	34	0.4	0.8	26	22	21.16	22.84	34	39.55	14	13.1	14.9	9.17	1.5	36	35
M 24	3	34	37	0.4	0.8	28	24	23.16	24.84	39	45.2	15	14.1	15.9	9.87	1.5	41	40
M 27	3	37	39	0.4	0.8	32	27	26.16	27.84	43.5	50.85	17	16.1	17.9	11.27	2	46	45
M 30	3.5	40	42	0.4	0.8	35	30	29.16	30.84	47.5	55.37	19	17.95	20.05	12.56	2	50	49
M 36	4	48	50	0.4	0.8	41	36	35	37	57	66.44	23	21.95	24.05	15.36	2	60	58.8