Diamond Sintered Drill Bits for Drilling Holes in Floor Tiles Marble Jade Glass 4-60mm

Drill diameter: 4mm-60mm
Shank shape: Tapered
Shank diameter: 9-13mm
Max cutting depth: 45mm
Materials: Diamond, bronze, 45# steel
Craft: Diamond sintering
Package includes: 1 drill bit

Features:
Built to last
Clean, smooth holes with no chipping
Low cutting resistance, fast drilling, and easy chip removal
Works for drilling into glass, ceramics, stone, tiles, and more.