Montolit FAJ Series Diamond Drill Bits

Features Vacuum brazed diamond drill bits for longer life span Can drill through all types of ceramics, gres porcelain, terracotta tiles, granite, marble, glass Recommended drill speed of 800 RPM minimum Shank adapter for most 3/8" chuck drills Designed for wet or dry drilling Details Montolit FAJ Diamond Drill Bits are equipped high quality diamond construction for drilling many holes (up to 25 or more). The FAJ series will drill through the hardest porcelain, ceramic, natural stone (granite, marble, slate and limestone), terra cotta and glass. The average drill time per hole is about 20 seconds and will work quick with a water feed system.