1 |
Thread standard+Normal Diameter+Pitch+Class |
thread size of workpieces |
2 |
Thread quality control of workpiece |
design the thread taps precision class for end user |
3 |
Thread length of workpiece |
cutter length + overall length of taps |
4 |
material of workpiece |
the chips kinds of workpiece(powders,short,longer chips)for how to move out chips |
5 |
Through or Blind thread hole of workpiece |
select chamfer length and select kinds of flutes |
6 |
the collet kinds of machine spindle JIS collet, DIN tap collet, mills parallel collet, ER collet, Side fix holder |