The JIS parallel (metric) is the same as the JIS parallel (PF), except for the thread difference.
Size mm Dash Size Equivalent Thread Size Male Thread O.D. mm Female Thread I.D. mm
6 04 M14 x 1,5 14 12,5
9 06 M18 x 1,5 18 16,5
12 08 M22 x 1,5 22 20,5
19 12 M30 x 1,5 30 28,5
25 16 M33 x 1,5 33 31,5
32 20 M42 x 1,5 42 40,5
JIS B0207 JIS 30° Male (Inverted) Seat, Metric Threads
