Marble Hole Opener Hexagonal Shank Drill Bit Brazed Drill Bit Glass

Label:Yes Material: Damond length: 10mm(0.39in) Hole dirll size: 6/8/10/12/14/16mm(0.24/0.31/0.39/0.47/0.55/0.63in) Application:For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic..... Shank: 6.35mm(0.25in) hexagon shank

Specifications: 1. Cooling wax filling inside: fast heat conduction and large amount of filling can effectively transfer heat to prevent drilling burning 2. Universal round drill handle: applicable to a wide range of machines and firmly clamped 3. bit: brazed technology can not drop the drill, and it is durable 4. High-strength drill body: it is forged with high-strength metal, which is not easy to deform and easily open holes

Attention: When using brazed hole saw, the speed of the electric tool should not be lower than 2000 rpm/min, The faster the speed, the better the effect.the hole saw should not be pressed down very hard, otherwise it is easy to damage the hole saw.

Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.