Equivalent Standards

Dimensions of Metric Fine Threads

d1	b	s	e	t min
M 8 x 1	8	4	4.6	4
M 10 x 1	8	5	5.7	4
M 12 x 1.5	10	6	6.9	5
M 14 x 1.5	10	7	8	5
M 16 x 1.5	10	8	9.2	5
M 18 x 1.5	10	8	9.2	5
M 20 x 1.5	10	10	11.4	5
M 22 x 1.5	10	10	11.4	5
M 24 x 1.5	12	12	13.7	6

Dimensions of Pipe Threads

d1	b	s	e	t min
R 1/8	8	5	5.7	4
R 1/4	10	7	8	5
R 3/8	10	8	9.2	5
R 1/2	10	10	11.4	5
R 3/4	12	12	13.7	6
R 1	12	17	19.4	6