JIS Japanese Industrial Standard Screw Thread
Aug 03 1998 nbsp 0183 32 Screw Thread 3 Metric screw thread JIS B0205 coarse JIS B0207 fine H 0 866025P H1 0 541266P d2 d 0 649519P d1 d 1 082532P D d D1 d1 D2 d2 P Pitch D For internal thread Angle of thread is 60˚ The Crest is flat and there is clearance at the root