This diamond hole saw kit is designed for dry/wet drilling of tile, granite, marble, stone, masonry, brick and all similar materials.

Thread size: M14. For angle grinders with 14mm (9/16-Inch) connecting shaft.If the drill core bits Set is used with other machines, you will need an adapter.

Hole saw bits are made of diamond and steel, 15mm diamond height.

The drill set comes with an aluminum carrying case for easy carry and storage.

Specification:
Material:diamond and steel
Diameter Size:Φ20mm,Φ35mm,Φ40mm,Φ50mm,Φ68mm
Thread size: M14
Total length: 60mm

Operating Specifications:
1.Install the drill bit on the angle grinder, turn on the machine, and check if it runs smoothly.
2. The drill bit is gently drilled down at an inclination angle of 15-45 degrees.
3. Hold the drill upright on the material plane and continue drilling.
Package included:
6PCS diamond drill bits set
a portable carry case