The hole is drilled using a commercially available standard drill bit.
Then, insatallation is made with a manual or an automatic special tap for fitting wire thread insert.
Dies are used for external threading. Manual threading is the most usual method although machine threading is sometimes used for simple tasks.
A solid die usually cuts more accurately than a split die. However, dies which are supplied solid may be split
The time consuming job of grinding thread forms is entirely eliminated with the use of these Criterion Threading Tools. Based on the constant clearance design, they retain their true thread form even after 180 degree of the tool has been ground away. Top face grinding resharpens but will not alter the form or clearance.
Taps and Dies
