Widia GTD

Widia GTD (formerly Greenfield) EM-HS Series LH Spiral / RH Cut Taps


Features Recommended Applications
Custom blended vanadium high speed steel
TiN coating
RH cut / LH slow spiral for good chip ejection downward through the hole
Neck design for CNC equipment
Geometry includes a high degree of relief to reduce friction and wear
Precision ground shanks to reduce run-out
Plug chamfer
Fast tapping in rigid computer-controlled setups
For machines with synchronized (rigid) tapping
Mild steels < 200 Bhn
All types of aluminum
Brass and brass alloys
Cast, ductile, and maleable irons
Can be run at 2 to 3 times recommended speed of conventional taps


Series Description
8581 EM-HS LH Spiral / RH Cut Taps for High Speed Rigid Tapping