Top grade manufacturer of 4 inch diamond core drill bit in china

Hebei Hanghua Diamond Products Co,. Ltd are the top grade manufacturer of 4 inch diamond core drill bit in china, we mainly produces and sells Diamond Core Bits, Reaming Shells, Wire-line Drilling Rods & accessory equipment, Diamond Thin-wall core bits and other Diamond tools . With the production capability of Four hundred thousand types of drill bits, reaming shells 。It’s predecessor is Shijiazhuang Hanghua Super Hard Tools Co,. Ltd .the company has accumulated 30 years of drill bits production experience .

Diamond Core Drill Bits

Descriptiopn of our Diamond Core Drill Bits:
1. Good for reinforcement concrete and asphalt and bricks etc.
2. Silver or laser welding segmented type.
3. Long Drill,from 300mm-450mm in total length.
4. Diameter from 16mm-300mm. Other sizes are available.
5. Connection: 11/4 UNC or any other thread.

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