M22 Professional Grade High Wear Proof Sharp Available Diamond Core Drill Bit for Concrete Road Drilling

M22 Professional Grade High Wear Proof Sharp Available Diamond Core Drill Bit for Concrete Road Drilling. Customizable Dimensions: Color, length, size, working length, segment height, and tooth profile are fully customizable. Dual Drilling Modes: Supports both dry drilling (non-reinforced concrete/brick) and wet drilling (reinforced concrete). Wide Size Range: Available in diameters from 18mm to 500mm to suit various drilling requirements. Universal Thread Compatibility: Features 1-1/4" UNC thread compatible with various drilling machines. High Durability Design: Engineered with premium diamond segments and heavy-duty steel bodies for long service life. OEM & ODM Services: Offers custom logo, packaging, and specifications for professional manufacturing needs. Extended Warranty Option: Standard 12-month warranty with optional coverage extending up to 36 months. Global Technical Support: 24/7 assistance available including spare parts supply and on-site or remote training.