STI Hand Taps

STI Hand Taps
STI Hand Taps

Screw Thread Insert taps produce an oversize threaded hole to accept an insert with standard size threads.

  • General-purpose tap for hand or production machines
  • Oversize taps that produce threads that will accommodate a helical screw thread insert

Spiral Point STI taps produce an oversize threaded hole that will accommodate a precision formed screw thread coil of a standard diameter and pitch. Hand taps are a general purpose tap for hand or machine tapping. These taps are identified as the size of the internal thread dimensions of the threaded insert.
A tap drill chart for these oversize taps is found under Service and Support