Driver 30T, Driven 40

Driver 40T, Driven 50

Driver 50T, Driven 30

Driver 70T, Driven 50

Major diameter

Minor diameter

Profile and pitch

Root diameter

For avoid catching the thread in each cut

For improve the productivity

Reduce the wear and tear of half nut

For the use of chasing dial

15 Degree

30 Degree

45 Degree

60 Degree

90T on driver and 127T on driven

127T on driver and 90T on driven

60T on driver and 127T on driven

127T on driver and 60T on driven