10pcs Triangular Drill Bits Set Tiles Ceramic Glass Opener

Description:

Made of cemented carbide, hard, tough and durable.
2 sizes for you to choice, meet the demands of various ocassions.
Suitable for opening a hole on ceramic glass, glass, granite, brick wall, ceramic tile, and other brittle material.
The drill bits can be installed on the electric hand drill, drill machine.
For security, the user should wear protecting glasses or protecting mask when using the drill bits.

Specification:

Drill material: hard alloy / cemented carbide
Shank material: high duty alloy
Color: Black(Drill) and Silver(Shank)
Hole Diameter Size: 8mm,10mm(0.315 inch, 0.394 inch)
8mm: Total lenght: Approx. 70mm/ 2.76 inch, working length: Approx. 15mm/ 0.591 inch.
10mm: Total lenght: Approx. 80mm/ 3.15 inch, working length: Approx. 18mm/ 0.709 inch.
5 Pieces(the same size) in 1 Set

Package Includes:

1 Set of Triangular Drill Bit (each size 5Pcs)