
Premium ISO Certified PDC Drill Bit for Efficient Stone Drilling. ISO 9001 Certification: Certified ISO 9001:2000 standard for quality management. Tungsten Carbide Material: Made of special steel and tungsten carbide for maximum strength and wear resistance. Customized Dimensions: Round Shank OD, Carbide OD, and Reach available in multiple sizes with custom options. Laser Printed Logo: Optional custom logo laser printing service available. 12 Months Warranty: Comprehensive 12-month warranty coverage included. Full QC System: Complete quality control system with records of all production processes. Cold Forging Technology: Uses cold forging for denser grain structure, superior durability, and precision. High Productivity: Designed for efficient cutting in landscaping, plumbing, and electrical applications.