Item: Vaccum Brazed Diamond drilling bits, Dry drilling for stone, masonry, ceramic/tile....

Quantity: 10pcs(9pcs dimaond drill bits+1pc carbide positioning bit)

Specification: 

Diamond Drill Bit: Diameter: 5/6mm, Total length:68mm;

                              Diameter: 8/10/12mm , Total length:80mm

                              Diamond length: 10mm,  Grit:35/40

Carbide Bit: Diameter: 6mm, Workable length: 45mm, Total length: 77mm.

Application:  Diamond Drill Bit: For drilling granite & marble, masonry, concrete, tile/ceramic, hard plastic.....

                      Carbide Bit: For Positioning.

Feature:       1.Wax inside for cooling, Dry drilling without water;

                     2.Quick-Change, Easy to use, multi-purpose drilling;

                     3.Less heat generation, Better finish quality;

                     4.Carbide Bits for Positioning, solve the problems of diamond bit drifting and walking.