Construction Drilling Ballistic Button Bits With Forging Processing Multi Functional

Construction Drilling And Quality Alloy Faster Drilling Speed Tapered Bit Description: 1. It is widely used in micropiling & foundation, anchoring. 2. You can choose different colors per your requirement. 3. Advanced, internationalized, leading production process. 4. There is inline inspection and final inspection to make sure 100% pass rate. 5. All the material is monitored by inspectors. Feature Advantage: 1. we have professional engineer and production manager to make sure