Round shank bit /Carbide Bullet Tooth for TBM cutter head spare parts
1. Alloy steel body is made by material ASTM4140 (42CrMoA), heat treatment with HRC38-42 hardness, has high toughness and wearable character.
2. Tungsten carbide button is made from low press sintered and suitable grade selected according to target projects, which are to make sure the good performance during working.
3. The products adapt to the machine with all the performance features, such as a high feed rate, a long service life and short tools changing time. The coal mining tools are suitable for surface mining, underground mining and tunnelling.
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FAQ
Q: Are you a trading company or manufacturer?
A: We are a professional factory more than 16 years.
Q: How to send an inquiry?
A: It's better to send us detailed specifications and photos of products for better understanding,
Q: How do you guarantee your quality?
Firstly, we do a quality test during every process. And we use production instruction cards when one process finished, the work will be signed on the production instruction cards. Secondly, we will collect all comments on our products from customers in time. And try our best to improve quality all the time.
Q: Do you offer samples?
A: Yes, we do offer samples. However, buyers need to pay for the freight charge. In addition, whether samples are free or not depends on the quantity you buy.
Q: What kinds of payment do you accept?
A: In addition to the patterns of payment shown above, you can discuss with us in which way you would like to pay.