Wanlong is a professional drilling tool manufacturer
Main product series: Concrete Core Drill Bit, Finger Bit, Core Drill Bits, Diamond Drilling Tools
1. High efficiency, long life and no breaking of segments.
2. Adaptor thread available: M14, M16, G1/2″, 5/8″-11, etc.
3. Mainly diameter 4mm to 100mm, customized request is available.