Size - Total Length: 43mm / 1.7"; Shank Diameter: 3mm / 0.12"; Head Diameter: 10mm / 0.4"; Head Length: 13mm / 0.5"; 50 x Concave Grinding Heads
Material - Our grinding wheel head is made of corundum sand and metal material which is durable and thick, and can ensure a long-lasting operation life.
Features - These grinding wheel drill bits are lightweight in design, easy to control, and work with reduced vibrations and less noise, which can provide convenience for your polishing work.
Usage - The metal grinder bits can be installed in electric drills or other rotary tools for quick fine polishing with minimal effort to make the polished goods cleaner and brighter.
Application - These grinder drill bits are used to mount to the rotary tools and are suitable for polished projects like metalworking, carving wood, grinding metal, and more.