ASME B18.31.1M Metric Clamping Reduced Body Type Studs Dimensions Standards

Nominal Size Diameter, D	Tap End Length, B_M	Nut End Thread Length, B						U_Max. = 2P	Nominal Length, L		Body Diameter, D_R
		L ≤ 125		125 < L ≤ 200		L > 200			Nominal Length, L		Maximum Overall Length, L_T.		Min.
		Min.	Max.	Min.	Max.	Min.	Max.		Range	Incr.	L ≤ 150	L > 150	Min.
M1.6	2.1 - 2.7	9.2	9.9	-	-	-	-	0.7	25-50	5	-	-	-
M2	2.7 - 3.3	10	10.8	-	-	-	-	0.8	25-50	5	-	-	-
M2.5	3.37 - 4.12	11	11.9	-	-	-	-	0.9	30-50	5	-	-	-
M3	4.12 - 4.87	12	13	-	-	-	-	1	30-50	5	-	-	-
M4	5.62 - 6.37	14	15.4	-	-	-	-	1.4	35-90	5	-	-	-
M5	7.05 - 7.95	16	17.6	-	-	-	-	1.6	40-90	5	-	-	-
M6	8.55 - 9.45	18	20	24	26	-	-	2	50-90 100-160	5 10	5.51	5.39	5.21
M8	11.45 - 12.55	18	20.5	24	26.5	-	-	2.5	50-90 ≥ 100	5 10	7.26	7.40	7.04
M10	14.45 - 15.55	26	29	32	35	45	48	3	60-160 ≥ 180	10 20	9.08	9.22	8.86
M12	17.45 - 18.55	30	33.5	36	39.5	49	52.5	3.5	60-160 ≥ 180	10 20	10.95	11.11	10.68
M14	20.35 - 21.65	34	38	40	44	53	57	4	80-160 ≥ 180	10 20	12.93	12.77	12.50
M16	23.35 - 30.65	38	42	44	48	57	61	4	90-160 ≥ 180	10 20	14.93	14.77	14.50
M20	29.35 - 30.65	46	51	52	57	65	70	5	100-160 ≥ 180	10 20	18.68	18.49	18.16
M24	35.2 - 36.8	54	60	60	66	73	79	6	130-160 ≥ 180	10 20	22.13	22.32	21.80
M30	43.75 - 46.25	66	73	72	79	85	92	7	150-160 ≥ 180	10 20	27.98	27.46	27.46
M36	52.5 - 55.5	78	86	84	92	97	105	8	≥ 200	20	33.74	33.12	33.12
M42	61.5 - 64.5	90	99	96	105	109	118	9	≥ 240	20	39.40	38.78	38.78
M48	70.5 - 73.5	-	-	108	118	121	131	10	≥ 280	20	45.05	44.43	44.43
M56	82.25 - 85.75	-	-	124	135	137	148	11	≥ 300	20	52.83	52.09	52.09
M64	94.5 - 97.5	-	-	140	152	153	165	12	≥ 340	20	60.48	59.74	59.74
M72	106.5 - 109.5	-	-	156	168	169	181	12	≥ 380	20	68.48	67.74	67.74
M80	118.5 - 121.5	-	-	172	184	185	197	12	≥ 400	20	76.48	75.74	75.74
M90	133 - 137	-	-	-	-	205	217	12	≥ 440	20	86.61	85.74	85.74
M100	148 - 152	-	-	-	-	225	237	12	≥ 480	20	96.59	95.72	95.72