Reinforced Concrete Drilling,Granite Drilling,
Hot Sale Diamond Core Drill Bit for Brick Wall
Granite,Marble,Concrete Drilling and Construction
Sharpness,Smooth Cutting
Laser/Silver/High Frequency/Brazed Welding
Roof, Flat, Turbo,Crown Teeth
1 1/4"Unc,1/2bsp or Others
as Customer Request
Standard Package, as Customer Request
200mm-700mm length