
DTH Drill Bits High Strength Alloy Steel for Deep Hole Drilling. Advanced Thermal Inlay Technology: Ensures stable quality for each ball tooth bit through precision manufacturing. Customizable Alloy Teeth: Available in hemispherical, bullet, and parabolic shapes for different rock layers. Japanese or German CNC Precision: Uses high-end CNC lathes to ensure precise thread and drilling alloy perforation. One Year Warranty Coverage: Covers machine defects for one year with technical support included. Fast Delivery for Standard Goods: Normal goods delivered within 7-15 days to save customer time. OEM Orders Accepted: Professional design team available to handle custom OEM requirements. Customizable Voltage Options: Standard 380V 50HZ 3phase, but voltage can be customized per equipment needs. Comprehensive Technical Support: English phone support available with solutions provided within 24 hours.