Digging Mining Bits For Shield Tunneling Machine / Underground Tunneling Equipment

High quality material from Valin Group Guaranteed welding process(full welding) Optimized teeth angle Specialized teeth arrangement Movable pilot holder(easy to replace teeth) Conical body (protect drilling buckets from getting stuck ) Standard or OEM or customized products are provided Track the production Arrange samples for inspection if needed Take photos for confirmation ,or make testing by the Third party before shipment Arrange for customs clearance Track the shipment