Alloy Steel Tungsten Carbide Dth Hammer Button Bits Precise Mechanical Processing

High Quality Alloy Steel Top Grade Tungsten Carbide DTH Button Bits Description: 1. Quality first, excellent quality,Good reputation. 2. we have pofessional engineeres and technician to make the professional heat treatment. 3. You can choose different colors per your requirement. 4. Package method can be customized according to your requirement. 5. Precise machinery is applied to make sure the products machined in precise manner. Feature Advantage: 1. Customized design makes