●  Nut Inner Diameter : M2 , M2.5 , M3 , M4 , M5 , M6 , M8 , M10 , M12 , M14 , M16 , M18 , M20 , M22 , M24 , M27 , M30

 

●  Nut Size : Inner Diameter

 

●  Material : Carbon Steel

 

●  Standard : GB 6170

 

●  Grade : 8.8 Level

 

●  Use standard vernier calipers to measure. Screws are standard parts. Do not use tape measure, ruler, or student ruler to measure. 

 

 

Size	Pitch	m		s
		max	min	max	min
M1	0.25	0.65	0.55	2.5	2.4
M1.2	0.25	0.85	0.75	2.8	2.7
M1.4	0.3	1.05	0.95	3.1	3
M1.6	0.35	1.2	1.1	3.3	3.2
M2	0.4	1.7	1.6	4	3.8
M2.5	0.45	2	1.9	5	4.8
M2.6	0.45	2.25	2.15	5	4.8
M3	0.5	2.4	2.55	5.5	5.32
M4	0.7	3.2	2.9	7	6.78
M5	0.8	4	3.7	8	7.78
M6	1	5.1	5	10	9.78
M8	1/1.25	6.6	6.5	13	12.73
M10	1/1.25/1.5	8.2	8.1	16.1	15.9
M12	1.25/1.5/1.75	10.6	10.5	18.1	17.9
M14	1.5/2	123	12.2	20.8	20.7
M16	1.5/2	14.4	14.2	24	23.67
M18	1.5/2/2.5	15.5	153	27	26.16
M20	1.5/2/2.5	17.1	16.9	30	29.16
M22	1.5/2/2.5	183	18.1	33.3	33.1
M24	2/3	20.8	20.6	36	35
M27	2/3	23.5	23.1	41	40
M30	2/3.5	24.9	24.5	46	45