Thread Information

 

Size	Thread	Male OD in	Male OD mm	Thread Form TPI	Thread TPI	unit	TPI inch	TPI mm
M4	ISO	0.157	4	M4x0.7	0.7	mm	36.3	0.7
M5	ISO	0.197	5	M5x0.8	0.8	mm	31.8	0.8
M6	ISO	0.236	6	M6X0.75	0.75	mm	33.9	0.75
M6	ISO	0.236	6	M6X1.0	1	mm	25.4	1
M7	ISO	0.276	7	M7x1.0	1	mm	25.4	1
-1	NPT	0.306	7.77	1/16-27	27	in	27	1.06
-2	JIC	0.312	7.92	5/16-24	24	in	24	0.94
-3	NTA	0.312	7.92	5/16-24	24	in	24	0.94
-2	Comp	0.313	7.94	5/16-24	24	in	24	0.94
M8	ISO	0.315	8	M8X1.0	1	mm	25.4	1
-2	BSP	0.375	9.53	1/8-28	28	in	28	1.1
-3	JIC	0.375	9.53	3/8-24	24	in	24	0.94
-3	Comp	0.375	9.53	3/8-24	24	in	24	0.94
M10	ISO	0.394	10	M10X1.0	1	mm	25.4	1
M10	ISO	0.394	10	M10X1.5	1.5	mm	16.9	1.5
-2	NPT	0.406	10.32	1/8-27	27	in	27	1.06
-4	JIC	0.438	11.11	7/16-20	20	in	20	0.79
-4	NTA	0.438	11.11	7/16-24	24	in	24	0.94
-4	Comp	0.438	11.11	7/16-24	24	in	24	0.94
M12	ISO	0.472	12	M12X1.0	1	mm	25.4	1
M12	ISO	0.472	12	M12X1.25	1.25	mm	20.3	1.25
M12	ISO	0.472	12	M12X1.5	1.5	mm	16.9	1.5
-5	JIC	0.5	12.7	1/2-20	20	in	20	0.79
-5	Comp	0.5	12.7	1/2-24	24	in	24	0.94
-4	BSP	0.531	13.49	1/4-19	19	in	19	0.75
-6	NTA	0.531	13.49	17/32-24	24	in	24	0.94
M14	ISO	0.551	14	M14X1.0	1	mm	25.4	1
M14	ISO	0.551	14	M14X1.5	1.5	mm	16.9	1.5
-6	JIC	0.563	14.29	9/16-18	18	in	18	0.71
-6	Comp	0.563	14.29	9/16-24	24	in	24	0.94
-7	Comp	0.625	15.88	5/8-24	24	in	24	0.94
M16	ISO	0.63	16	M16X1.0	1	mm	25.4	1
M16	ISO	0.63	16	M16X1.5	1.5	mm	16.9	1.5
-6	BSP	0.656	16.67	3/8-19	19	in	19	0.75
-4	NPT	0.688	17.46	1/4-18	18	in	18	0.71
-6	NPT	0.688	17.46	3/8-18	18	in	18	0.71
-8	NTA	0.688	17.46	11/16-20	20	in	20	0.79
-8	Comp	0.688	17.46	11/16-20	20	in	20	0.79
M18	ISO	0.709	18	M18X1.5	1.5	mm	16.9	1.5
8	JIC	–0.75	19.05	3/4-16	16	in	16	0.63
¾	J1402	0.75	19.05	3/4-20	20	in	20	0.79
M20	ISO	0.787	20	M20X1.5	1.5	mm	16.9	1.5
-8	BSP	0.813	20.64	8-14	14	in	14	0.55
-10	NTA	0.813	20.64	13/16-18	18	in	18	0.71
-10	Comp	0.813	20.64	13/16-18	18	in	18	0.71
-8	NPT	0.844	21.43	1/2-14	14	in	14	0.55
M22	ISO	0.866	22	M22X1.5	1.5	mm	16.9	1.5
-10	JIC	0.875	22.23	7/8-14	14	in	14	0.55
7/8	J1402	0.875	22.23	7/8-20	20	in	20	0.79
-10	BSP	0.906	23.02	5/8-14	14	in	14	0.55
M24	ISO	0.945	24	M24X1.5	1.5	mm	16.9	1.5
-12	NTA	1	25.4	1-18	18	in	18	0.71
-12	Comp	1	25.4	1-18	18	in	18	0.71
M26	ISO	1.024	26	M26X1.5	1.5	mm	16.9	1.5
-12	BSP	1.031	26.19	3/4-14	14	in	14	0.55
-12	NPT	1.063	26.99	3/4-14	14	in	14	0.55
-12	JIC	1.063	26.99	1-1/16-12	12	in	12	0.47
M27	ISO	1.063	27	M27X2.0	2	mm	12.7	2
-14	Comp	1.125	28.58	1-1/8-18	18	in	18	0.71
M30	ISO	1.181	30	M30X1.5	1.5	mm	16.9	1.5
M30	ISO	1.181	30	M30X2.0	2	mm	12.7	2
M33	ISO	1.299	33	M33X1.5	1.5	mm	16.9	1.5
M33	ISO	1.299	33	M33X2.0	2	mm	12.7	2
-16	NPT	1.313	33.34	1-11.5	11.5	in	11.5	0.45
-16	BSP	1.313	33.34	1-11	11	in	11	0.43
-16	JIC	1.313	33.34	1-5/16-12	12	in	12	0.47
M36	ISO	1.417	36	M36X1.5	1.5	mm	16.9	1.5
M36	ISO	1.417	36	M36X2.0	2	mm	12.7	2
M38	ISO	1.496	38	M38	38	in	38	1.5
M40	ISO	1.575	40	M40X1.5	40	in	40	1.57
-20	JIC	1.625	41.28	1-5/8-12	12	in	12	0.47
M42	ISO	1.654	42	M42X2.0	2	mm	12.7	2
-20	BSP	1.656	42.07	1-1/4-11	11	in	11	0.43
-20	NPT	1.688	42.86	1-1/4-11.5	1.5	mm	16.9	1.5
M45	ISO	1.772	45	M45X1.5	1.5	mm	16.9	1.5
M45	ISO	1.772	45	M45X2.0	2	mm	12.7	2
-24	BSP	1.875	47.63	1-1/2-11	11	in	11	0.43
-24	JIC	1.875	47.63	1-7/8-12	12	in	12	0.47
M48	ISO	1.89	48	M48X1.5	1.5	mm	16.9	1.5
-24	NPT	1.906	48.42	1-1/2-11.5	11.5	in	11.5	0.45
M52	ISO	2.047	52	M52X2.0	2	mm	12.7	2
-32	BSP	2.344	59.53	2-11	11	in	11	0.43
M60	ISO	2.362	60	M60	4	mm	6.4	4
-32	NPT	2.375	60.33	2-11.5	11.5	in	11.5	0.45
-32	JIC	2.5	63.5	2-1/2-12	12	in	12	0.47
-40	NPT	2.875	73.03	2-1/2-8	8	in	8	0.31
-40	BSP	2.96	75.18	2-1/2-11	11	in	11	0.43
-40	JIC	3	76.2	3-12	12	in	12	0.47
-48	JIC	3.5	88.9	3-1/2-12	12	in	12	0.47