ASME B18.31.1M Metric Continous Thread, Double End Reduced and Full Body Studs

ASME B18.31.1M Clamping Type Studs

Nominal Size		Thread Length, B [Note (2)]							Nominal Length, LT [Note (3)]
Diameter, D [Note (4)]	Pitch, P	LT ≤ 250		250 < LT ≤ 400		LT > 400		Umax p 2P	Nominal Length, LT [Note (3)]
Diameter, D [Note (4)]	Pitch, P	Min.	Max.	Min.	Max.	Min.	Max.	Umax p 2P	Range	Increments
M1.6	0.35	9.2	9.9	...	...	...	...	0.7	25-50	5
M2	0.4	10	10.8	...	...	...	...	0.8	25-50	5
M2.5	0.45	11	11.9	...	...	...	...	0.9	30-50	5
M3	0.5	12	13	...	...	...	...	1	30-50	5
M4	0.7	14	15.4	...	...	...	...	1.4	35-90	5
M5	0.8	16	17.6	...	...	...	...	1.6	40-90	5
M6	1	18	20	24	26	...	...	2	50-90	5
M6	1	18	20	24	26	...	...	2	100-160	10
M8	1.25	18	20.5	24	26.5	...	...	2.5	50-90	5
									100-160	10
									≥ 180	20
M10	1.5	26	29	32	35	45	48	3	60-160	10
M10	1.5	26	29	32	35	45	48	3	≥ 180	20
M12	1.75	30	33.5	36	39.5	49	52.5	3.5	60-160	10
M12	1.75	30	33.5	36	39.5	49	52.5	3.5	≥ 180	20
M14 [Note (5)]	2	34	38	40	44	53	57	4	80-160	10
M14 [Note (5)]	2	34	38	40	44	53	57	4	≥ 180	20
M16	2	38	42	44	48	57	61	4	90-160	10
M16	2	38	42	44	48	57	61	4	≥ 180	20
M20	2.5	46	51	52	57	65	70	5	100-160	10
M20	2.5	46	51	52	57	65	70	5	≥ 180	20
M24	3	54	60	60	66	73	79	6	130-160	10
M24	3	54	60	60	66	73	79	6	≥ 180	20
M30	3.5	66	73	72	79	85	92	7	150-160	10
M30	3.5	66	73	72	79	85	92	7	≥ 180	20
M36	4	78	86	84	92	97	105	8	≥ 200	20
M42	4.5	90	99	96	105	109	118	9	≥ 240	20
M48	5	...	...	108	118	121	131	10	≥ 280	20
M56	5.5	...	...	124	135	137	148	11	≥ 300	20
M64	6	...	...	140	152	153	165	12	≥340	20
M72	6	...	...	156	168	169	181	12	≥380	20
M80	6	...	...	172	184	185	197	12	≥400	20
M90	6	...	...	...	...	205	217	12	≥440	20
M100	6	...	...	...	...	225	237	12	≥480	20

ASME B18.31.1M Tap End Studs

Nominal Size		Tap End Length BM	Thread Length, B [Note (2)]							Nominal Length, L [Note (3)]
Diameter, D [Note (4)]	Pitch, P		L ≤ 125		125 < L ≤ 200		L > 200		Umax p 2P	Nominal Length, L [Note (3)]
Diameter, D [Note (4)]	Pitch, P		Min.	Max.	Min.	Max.	Min.	Max.	Umax p 2P	Range	Increments
M1.6	0.35	2.1-2.7	9.2	9.9	...	...	...	...	0.7	25-50	5
M2	0.4	2.7-3.3	10	10.8	...	...	...	...	0.8	25-50	5
M2.5	0.45	3.375-4.125	11	11.9	...	...	...	...	0.9	30-50	5
M3	0.5	4.125-4.875	12	13	...	...	...	...	1	30-50	5
M4	0.7	5.625-6.375	14	15.4	...	...	...	...	1.4	35-90	5
M5	0.8	7.05-7.95	16	17.6	...	...	...	...	1.6	40-90	5
M6	1	8.55-9.45	18	20	24	26	...	...	2	50-90	5
M6	1	8.55-9.45	18	20	24	26	...	...	2	100-160	10
M8	1.25	11.45-12.55	18	20.5	24	26.5	...	...	2.5	50-90	5
										100-160	10
										≥ 180	20
M10	1.5	14.45-15.55	26	29	32	35	45	48	3	60-160	10
M10	1.5	14.45-15.55	26	29	32	35	45	48	3	≥ 180	20
M12	1.75	17.45-18.55	30	33.5	36	39.5	49	52.5	3.5	60-160	10
M12	1.75	17.45-18.55	30	33.5	36	39.5	49	52.5	3.5	≥ 180	20
M14 [Note (5)]	2	20.35-21.65	34	38	40	44	53	57	4	80-160	10
M14 [Note (5)]	2	20.35-21.65	34	38	40	44	53	57	4	≥ 180	20
M16	2	23.35-30.65	38	42	44	48	57	61	4	90-160	10
M16	2	23.35-30.65	38	42	44	48	57	61	4	≥ 180	20
M20	2.5	29.35-30.65	46	56	52	57	65	70	5	100-160	10
M20	2.5	29.35-30.65	46	56	52	57	65	70	5	≥ 180	20
M24	3	35.2-36.8	54	60	60	66	73	79	6	130-160	10
M24	3	35.2-36.8	54	60	60	66	73	79	6	≥ 180	20
M30	3.5	43.75-46.25	66	73	72	79	85	92	7	150-160	10
M30	3.5	43.75-46.25	66	73	72	79	85	92	7	≥ 180	20
M36	4	52.5-55.5	78	86	84	92	97	105	8	≥ 200	20
M42	4.5	61.5-64.5	90	99	96	105	109	118	9	≥ 240	20
M48	5	70.5-73.5	...	...	108	118	121	131	10	≥ 280	20
M56	5.5	82.25-85.75	...	...	124	135	137	148	11	≥ 300	20
M64	6	94.5-97.5	...	...	140	152	153	165	12	≥340	20
M72	6	106.5-109.5	...	...	156	168	169	181	12	≥380	20
M80	6	118.5-121.5	...	...	172	184	185	197	12	≥400	20
M90	6	133-137	...	...	...	...	205	217	12	≥440	20
M100	6	148-152	...	...	...	...	225	237	12	≥480	20