Karnasch GOLD-DRILL LINE annular cutters are the most commonly used non-coated HSS-XE annular cutter.
With special surface treatment GOLD-TECH + FULLY GROUND +special steel HSS-XE ideal for drilling in steel up to a strength of 40 Rockwell (HRC) and even suitable for stainless steels.
Available in diameter 12 – 60mm.
Available in drill depths 30, 55, 80 7 110 mm.