4PCS Diamond Hole Saw Drill Bit Set, 1/4 5/16 3/8 1/2 Inch for Porcelain Tile Ceramic Stone Granite Marble, Hex Shank Dry Drilling, 6/8/10/12mm

Product Name：Hexagonal Shank Drill

Production process: Brazing process

Material: Diamond + Cooling wax

Diameter: 65MM, 80MM

Hexagonal shank diameter: 6.35MM

Bit diameter: 6MM, 8MM, 10MM, 12MM 

Bit sand width: 10MM

Quantity: 4 Pieces

Applicable models: Electric drills, angle grinders (you can match the adapter accessories)

Application scope: Full tile, glass tile, marble, granite, microcrystalline stone, ordinary glass, ceramics, quartz stone and other materials

Features:

1. High-quality emery cutter, sharp punching, wear-resistant and durable

2. Hexagonal handle diameter, can be highly coordinated with the clamping without shaking, not easy to slip, safe and reliable

3. Built-in cooling wax (blue part), play the role of cooling, improve service life

4. Wet and dry use, dry playing without chipping porcelain, water more durable

Remarks:

1. Hole skills: first tilt 45 ° to open the positioning slot, and then vertical drill fast drilling

2. The faster the speed, the more holes, the recommended speed of 2600mpr/m or more, is not recommended to use ordinary impact drills

3. Prohibit vertical hard top and vertical pressure, otherwise it will greatly reduce the service life