Equivalent Standards

Dimensions of Hexagon Socket Head Cap Screws

Dimensions	dk	k	s	b
M 1.4	2.6	1.4	1.3	14
M 1.6	3	1.6	1.5	15
M 2	3.8	2	1.5	16
M 2.5	4.5	2.5	2	17
M 3	5.5	3	2.5	18
M 4	7	4	3	20
M 5	8.5	5	4	22
M 6	10	6	5	24
M 8	13	8	6	28
M 10	16	10	8	32
M 12	18	12	10	36
M 14	21	14	12	40
M 16	24	16	14	44
M 18	27	18	14	48
M 20	30	20	17	52
M 22	33	22	17	56
M 24	36	24	19	60
M 27	40	27	19	66
M 30	45	30	22	72
M 33	50	33	24	78
M 36	54	36	27	84
M 39	58	39	27	90
M 42	63	42	32	96
M 45	68	45	36	102
M 52	78	52	36	108
M 56	84	56	41	124
M 64	96	64	46	140
M 72	108	72	55	156