Unit: mm

Bolt diameter	d1				H				B				C App	K App	S(THREAD)
	Basic	Tolerance			Basic	Tolerance			Basic	Tolerance					L?125	125? L?200	L?200
		Finish	Semi- finish	Regular		Finish	Semi- finish	Regular		Finish	Semi- finish	Regular
M6	6	0 -0.1	0 -0.2	+0.6 -0.15	4	±0.15	±0.25	±0.6	10	0 -0.2	0 -0.6	0 -0.6	11.5	1	18
M8	8	0   -0.15		+0.7 -0.2	5.5				13	0   -0.25	0 -0.7	0 -0.7	15	1.2	22
M10	10				7	±0.2	±0.3	±0.8	17				19.6	1.5	26
M12	12	0 -0.2	0   -0.25	+0.9 -0.2	8				19	0   -0.35	0 -0.8	0 -0.8	21.9	2	30	36
(M14)	14				9				22				25.4	2	34	38
M16	16				10				24				27.7	2	38	44
(M18)	18				12		±0.35	±0.9	27				31.2	2.5	42	48
M20	20		0   -0.35	+0.95 -0.35	13				30				34.6	2.5	46	52
(M22)	22				14				32	0 -0.4	0 -1.0	0 -1.0	37	2.5	50	56
M24	24				15				36				41.6	3	54	60
(M27)	27				17				41				47.3	3	60	66	79
M30	30				19	±0.25	±0.4	±1.0	46				53.1	3.5	66	72	85
(M33)	33	0   -0.25	0 -0.4	+1.2 -0.4	21				50				57.7	3.5	72	78	91
M36	36				23				55	0   -0.45	0 -1.2	0 -1.2	63.5	4	78	84	97
M39	39				25				60				69.3	4	84	90	103
M42	42				26				65				75	4.5	90	96	109
M45	45				28				70				80.8	4.5	96	102	115
M48	48				30				75				86.5	5	102	108	121
M52	52	0 -0.3	0   -0.45	+1.2 -0.7	33	±0.3	±0.5	±1.5	80				92.4	5		116	129
M56	56				35				85	0   -0.55	0 -1.4	0 -1.4	98.1	5.5		124	137
M60	60				38				90				104	5.5		132	145
M64	64				40				95				110	6		140	153
M68	68				43				100				115	6		148	161
M72	72				45				105				121	6		156	169
M76	76				48				110				127	6		164	177
M80	80				50				115				133	6		172	185