TCT Spear Porcelain Drill Bit, Cylinder Shank, 6010 Series
For wet & Dry drilling various glass, tile, ceramic and rough porcelains.
Patented Step Spear Design of carbide tip to drill rough porcelain faster.
Long service life and low probability of breakage thanks to the highly effective technique of hardening by blasting.
Auto-copper vacuum soldering guarantees the durability unified with carbide one.