Made from high strength carbon steel with nickel plating surface 
makes these drill bits durable and precise; The bit's tip head is 
made of 80 grit diamond coating, which is uniform; It greatly helps 
to increase the drilling speed and more sharper than other ordinary hole saws.
Suitable for standard electric drill, ordinary electric drill, cordless drill, bench drill, etc.
Can be widely used for drilling glass, tiles, granite, ceramic and marble.
NOTIFICATION
When cutting hard materials it is important to ensure the cutter is kept cool to avoid damage to the material being drilled and premature wear of the cutter; Water is required for lubrication when drilling, which can extend the life of the drill bit.

Please always use water for lubrication, otherwise the diamond core drill will burn out.


Type: Core Drill Bit
Use: Masonry Drilling
DIY Supplies: Tiling
Material: Emery
Surface Treatment: Zinc Plating

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.