
Laser Welded M22 Wet Diamond Core Drill Bit for Concrete Wet Cutting with Extended Life. Wide Size Range: Diameter available from 18mm to 500mm for various drilling needs. Customizable Design: Working length, segment height, and tooth profile can be customized. Universal Thread Options: Compatible with various drilling machines, including 1-1/4' UNC. High Durability: Premium diamond segments with reinforced steel body for long service life. OEM & ODM Service: Custom logo, packaging, and specifications available upon request. Extended Warranty: Optional coverage up to 36 months beyond standard 12-month warranty. Global Support: 24/7 technical assistance and spare parts supply worldwide. Versatile Applications: Suitable for reinforced concrete, masonry, wall opening, and pipeline drilling.