MATERIAL:Mild Carbon steel & Stainless Steel ANSI 304/316
规格D=M	LA	m	L2	b	da	di	C(EYE thickness)
M5	70	10	45	40	8	16	4
M6	108.5	13.3	65	55.5	9	20	5.6
M8	118.7	15.5	64	57.5	10.4	22.5	6.5
M10	122.8	18	77	68	14	31.5	8.8
M12	123.5	21.3	79	70	16.4	35	9.3
M14	140	25.3	87	76	18	40	10.5
M16	165	27.8	103	90	22	47	12.5
M20	198	37	119	107	24	52.5	14.5
M22	225	36	130	115	26	56	17
M24	255	39	150	135	27	65	19
M30	255	45	170	150	32	78	23.5
M27	255	43	160	140	30	71	21.5
M18	200	32	120	100	25	50	14