Tungsten Carbide Coal Tips/bits/drill Bit Inserts For Mining Machinery

1. About Raw Material: After 1000 tests and comparison.

2. Quality Trace-ability: we will keep the sample of each producing process from raw material.

3. About Tolerence: The maximum precision of finished grinding can reach to ±0.001mm.

4. About Grade: For different kinds of rocks, we built our physical mechnical analysis database of rocks. we can provide targeted grade according to different rocks.

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

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

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

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

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