SPM Series

Steel thread plug gauge for metric threads

Explanation about series

Details of series

Nominal designation of threads	Coarse pitch	Fine pitch				Nominal designation of threads	Coarse pitch	Fine pitch
M1	0.25	0.2				M27	3	＊2	1.5	＊1
M1.1	＊0.25	＊0.2				M28		2	1.5	1	▲0.5
M1.2	0.25	0.2				M30	3.5	＊3	2	1.5	1	▲0.5
M1.4	0.3	0.2				M32			2	1.5	▲1	▲0.5
M1.6	＊0.35	＊0.2				M33	3.5	＊3	＊2	1.5
M1.7	▽0.35	▲0.2				M34			▲2	▲1.5	▲1	▲0.5
M1.8	＊0.35	＊0.2				M35				1.5
M2	0.4	0.25				M36	4	＊3	2	1.5	▲1	▲0.5
M2.2	＊0.45	＊0.25				M38			▲2	1.5	▲1	▲0.5
M2.3	▽0.4	▲0.25				M39	4	＊3	＊2	＊1.5
M2.5	＊0.45	＊0.35				M40		＊3	2	1.5	▲1
M2.6	▽0.45	▲0.35				M42	4.5	＊4	＊3	２	1.5	▲１
M3	＊0.5					M45	4.5	＊4	＊3	２	1.5	▲１
M3	▲0.6	0.35				M48	5	＊4	＊3	２	1.5	▲１
M3.5	0.6	0.35				M50			＊3	２	1.5	▲１
M4	＊0.7					M52	＊5	＊4	＊3	2	1.5
M4	▲0.75	0.5				M55		＊4	＊3	2	1.5
M4.5	0.75	0.5				M56	＊5.5	＊4	＊3	＊2	＊1.5
M5	＊0.8					M58		＊4	＊3	2	1.5
M5	▲0.9	0.5				M60	＊5.5	＊4	＊3	2	1.5
M5.5	▲0.9	0.5				M62		＊4	＊3	2	1.5
M6	1	0.75	▲0.5			M64	＊6	＊4	＊3	＊2	＊1.5
M7	1	0.75	▲0.5			M65		＊4	＊3	2	1.5
M8	1.25	1	0.75	▲0.5		M68	＊6	＊4	＊3	2	1.5
M9	1.25	1	0.75	▲0.5		M70		＊6	＊4	＊3	2	1.5
M10	1.5	1.25	1	＊0.75	▲0.5	M72		＊6	＊4	＊3	2	1.5
M11	＊1.5	▲1.25	1	＊0.75	▲0.5	M75			＊4	＊3	2	1.5
M12	1.75	1.5	＊1.25	1	▲0.5	M76		＊6	＊4	＊3	＊2	＊1.5
M13		▲1.5		▲1	▲0.5	M78					2	▲1.5
M14	2	1.5	＊1.25	1	▲0.5	M80		＊6	＊4	＊3	2	1.5
M15		1.5		1	▲0.5	M82					2	▲1.5
M16	2	1.5		1	▲0.5	M85		＊6	＊4	＊3	2	▲1.5
M17		＊1.5		＊1		M88					▲2	▲1.5
M18	2.5	2	1.5	1	▲0.5	M90		＊6	＊4	＊3	2	▲1.5
M20	2.5	2	1.5	1	▲0.5	M92					▲2	▲1.5
M22	2.5	2	1.5	1	▲0.5	M95		＊6	＊4	＊3	2	▲1.5
M24	3	2	1.5	1	▲0.5	M98					▲2	▲1.5
M25		2	1.5	1	▲0.5	M100		＊6	＊4	＊3	2	▲1.5
M26		▲2	1.5	▲1	▲0.5

Note) ＊：Values adopted from ISO 　　▲：Values disused in March 1968(Old JIS)　　▽：Values disused in June 1997(Old JIS)

Nominal designation of threads	Coarse pitch	Fine pitch
M1	0.25	0.2
M1.1	＊0.25	＊0.2
M1.2	0.25	0.2
M1.4	0.3	0.2
M1.6	＊0.35	＊0.2
M1.7	▽0.35	▲0.2
M1.8	＊0.35	＊0.2
M2	0.4	0.25
M2.2	＊0.45	＊0.25
M2.3	▽0.4	▲0.25
M2.5	＊0.45	＊0.35
M2.6	▽0.45	▲0.35
M3	＊0.5
M3	▲0.6	0.35
M3.5	0.6	0.35
M4	＊0.7
M4	▲0.75	0.5
M4.5	0.75	0.5
M5	＊0.8
M5	▲0.9	0.5
M5.5	▲0.9	0.5
M6	1	0.75	▲0.5
M7	1	0.75	▲0.5
M8	1.25	1	0.75	▲0.5
M9	1.25	1	0.75	▲0.5
M10	1.5	1.25	1	＊0.75	▲0.5
M11	＊1.5	▲1.25	1	＊0.75	▲0.5
M12	1.75	1.5	＊1.25	1	▲0.5
M13		▲1.5		▲1	▲0.5
M14	2	1.5	＊1.25	1	▲0.5
M15		1.5		1	▲0.5
M16	2	1.5		1	▲0.5
M17		＊1.5		＊1
M18	2.5	2	1.5	1	▲0.5
M20	2.5	2	1.5	1	▲0.5
M22	2.5	2	1.5	1	▲0.5
M24	3	2	1.5	1	▲0.5
M25		2	1.5	1	▲0.5
M26		▲2	1.5	▲1	▲0.5

Nominal designation of threads	Coarse pitch	Fine pitch
M27	3	＊2	1.5	＊1
M28		2	1.5	1	▲0.5
M30	3.5	＊3	2	1.5	1	▲0.5
M32			2	1.5	▲1	▲0.5
M33	3.5	＊3	＊2	1.5
M34			▲2	▲1.5	▲1	▲0.5
M35				1.5
M36	4	＊3	2	1.5	▲1	▲0.5
M38			▲2	1.5	▲1	▲0.5
M39	4	＊3	＊2	＊1.5
M40		＊3	2	1.5	▲1
M42	4.5	＊4	＊3	２	1.5	▲１
M45	4.5	＊4	＊3	２	1.5	▲１
M48	5	＊4	＊3	２	1.5	▲１
M50			＊3	２	1.5	▲１
M52	＊5	＊4	＊3	2	1.5
M55		＊4	＊3	2	1.5
M56	＊5.5	＊4	＊3	＊2	＊1.5
M58		＊4	＊3	2	1.5
M60	＊5.5	＊4	＊3	2	1.5
M62		＊4	＊3	2	1.5
M64	＊6	＊4	＊3	＊2	＊1.5
M65		＊4	＊3	2	1.5
M68	＊6	＊4	＊3	2	1.5
M70		＊6	＊4	＊3	2	1.5
M72		＊6	＊4	＊3	2	1.5
M75			＊4	＊3	2	1.5
M76		＊6	＊4	＊3	＊2	＊1.5
M78					2	▲1.5
M80		＊6	＊4	＊3	2	1.5
M82					2	▲1.5
M85		＊6	＊4	＊3	2	▲1.5
M88					▲2	▲1.5
M90		＊6	＊4	＊3	2	▲1.5
M92					▲2	▲1.5
M95		＊6	＊4	＊3	2	▲1.5
M98					▲2	▲1.5
M100		＊6	＊4	＊3	2	▲1.5

Note) ＊：Values adopted from ISO 　　▲：Values disused in March 1968(Old JIS)　　▽：Values disused in June 1997(Old JIS)