Equivalent Standards

Dimensions of Hexagon Head Bolts with threads upto Head

Dimensions	s	k	a.sub.max
M 2	4	1.4	1.2
M 3	5.5	2	1.5
M 4	7	2.8	2.1
M 5	8	3.5	2.4
M 6	10	4	3
M 7	11	4.8	3
M 8	13	5.3	3.75
M 10	16	6.4	4.5
M 12	18	7.5	5.25
M 14	21	8.8	6
M 16	24	10	6
M 18	27	11.5	7.5
M 20	30	12.5	7.5
M 22	34	14	7.5
M 24	36	15	9
M 27	41	17	9
M 30	46	18.7	10.5
M 33	50	21	10.5
M 36	55	22.5	12
M 39	60	25	12
M 42	65	26	13.5
M 45	70	28	13.5
M 48	75	30	15
M 52	80	33	15
M 56	85	35	16.5
M 64	95	40	18