4mm-150mm Diamond Core Drill Bits For drilling glass, marble and other hard matrials.

 4mm-150mm Diamond Core Drill  Bits

 For drilling glass and  marble

Sintered Straight-handle Core Drill Bits:
Specification: Diameter: 4-150mm

Sintered Unitary Core Drill Bits:
Specification: Diameter: 4-200mm


Sintered Fastigiate-handle Core Drill Bits:
Specification: Diameter: 4-100mm