Suitable for most drilling rigs in the market and a wide range of applications High-quality screw hole interface for convenient loading and unloading of drills Precision steel pipematrix: high hardness, resistant to deformation, and high wear resistance Thick diamond edge: wear-resistant and durable Product name: Water drill bit Precautions: 1. Water must be added during use for rhinestones. Fixed or hand-held drilling rigs are recommended. 2. Before installing the drill bit, check that the main shaft is not swinging, ensure electrical and mechanical components are functioning properly, and confirm the drill bit is securely tightened and concentric. Color: Silver Material: Carbon Steel Size: 300mm / 500mm Package Contents: 1 x Water drill bit Note: Only the items listed above are included; other products are not included. Note: Due to lighting effects and monitor settings, the color in the image may slightly differ from the actual item. Measurement error allowance: +/- 1-3cm.