High Hardness Coal Mining Drilling Hard Rocks Tungsten Carbide Buttons

1. Taking isostatic pressing machine, our drill bit button has a uniform density and do not break easily.

2. We have professional advanced production and testing equipments ensure high quality products.

3. About Payment terms: TT / LC / Western Union / Paypal / Other

4. Delivery Date: 15-20days after receive customer payment.

5. New generation of tungsten carbide inserts the hardness can reach to 90.1-91.5 HRA

6. More than 10 country total 41 Bits manufacturer choose Hao carbide.

7. In last 6 years haven't any complaint from customer