High quality China manufacturer of 4 inch diamond core drill bit

We are the high quality China manufacturer of 4 inch diamond core drill bit.The core bits are manufactured to the highest specifications and designed for a multitude of drilling applications, such as drilling into highways, runways, dams, buildings, bridges, parking garages, wall, floors, culverts, drainage pipe and more. The segments have a figher concentration of diamonds, faster cuts, longer life.

diamond core drill bit

Diameters:16-300mm,
Length 270mm-450mm
Use condition:wet
OEM: Yes

Features:
1. Applicable to a variety of handheld drill machine or CNC machine tools.
2. Using high-quality diamonds and high-speed steel pressing and sintering, can withstand high speed drilling.
3. The diamond protrusion uniform, sharp, high drilling efficiency.

For more information, please visit http://www.hhdiamondtools.com/Application-Case/Application-Case-3-1.html