Crosstar 10PCS Diamond Hole Saw Kit with Pilot Bit & Spring - Brazed Diamond Core Drill Bits for Tile, Ceramic, Porcelain, Marble, Granite (6/10/12/20/25/30/35/40/45/50mm) Includes Aluminum Case
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
【Vacuum-Brazed Diamond Grit for 10X Longer Life】 Industrial-grade diamonds permanently bonded to high-carbon steel via vacuum brazing technology. Resists shedding and wear during dry/wet drilling in tile, ceramic, marble, granite, and masonry.
【Pilot Bit + Spring Stabilizer Prevents Cracking】 Tungsten-carbide pilot drill ensures precise centering on curved/slippery surfaces. Spring-loaded base absorbs 70% of vibration (lab-verified) to eliminate chipping in glass and porcelain.
【10 Standard Sizes (6-50mm / 1/4"-2") for Plumbing & Fixtures】 Covers 90% of North American installation needs: 6-12mm (faucet screws), 20-35mm (pipe vents), 40-50mm (drain flanges). All bits feature laser-etched size labels.
【Wet/Dry Drilling with Serrated Debris Clearance】 Brazed serrated teeth expel material rapidly. Water cooling recommended for hard stone (granite/marble) to extend bit life. Compatible with corded drills (2000-3000 RPM).
【Military-Grade Aluminum Case with Damage Protection】 CNC-milled alloy case with shock-absorbing EVA foam slots. Includes drilling guide: centering drill guide and rapid chip removal technology.