Long lifespan 4 inch diamond core drill bit

The diamond drill bits are usually used for stone,concrete,tile and masonry.etc.The diamond drill bits are used on CNC machine and protable drill machine,each center has a water hole drill is conducive to chip and cooling, and thus has a long service life.4 inch diamond core drill bit is one of our typical specification,length ranges from 100-1000mm or customized.

diamond core drill bit

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.

Advantage：
We have production experience over 30 years,product quality is guanrantted to have a long lifespan,All of our our products have been strictly tested before access to market.
Other specification can be ordered by client.

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