This 15 mm diamond finger bit is designed for enlarging, shaping, and rounding existing holes in porcelain tile, ceramic, granite, marble, and other natural stone surfaces. It features #50/60 diamond grit, a 50 mm work length, a 75 mm total length, and a 5/8 inch-11 thread for standard grinder compatibility. Vacuum brazed construction supports efficient grinding and durable wear resistance, while dry or wet use gives flexibility on the job. Use it at a recommended 6000 RPM up to 11000 RPM for precise hole adjustment, edge smoothing, countertop work, and tile renovation where control and clean finishing matter.
15 mm diamond finger bit with #50/60 grit and 5/8 inch-11 thread, sized for enlarging and shaping existing holes in hard tile and stone, with 50 mm work length and 75 mm total length for controlled grinding and smooth edge finishing.
Vacuum brazed construction helps expose diamond grit efficiently, giving fast cutting action, steady wear resistance, and longer usable life for hole resizing, rounding, and contour work on porcelain, ceramic, granite, marble, and other natural stone.
Designed for use on a standard 5/8 inch-11 grinder, this finger bit is easy to install and operate, with a recommended speed of 6000 RPM and a maximum speed of 11000 RPM for reliable performance during detailed grinding tasks.
Use dry or with water depending on the job site and material, then move the bit around the existing opening to enlarge, shape, or smooth the edge instead of drilling a new hole, which helps save time, material, and replacement cost.
Ideal for countertop fabrication, tile renovation, sink opening adjustment, and stone edge correction, this compact tool measures 3.03 x 1.14 x 1.14 inches and weighs 3.84 ounces for convenient handling and storage.
Built for porcelain tile, hard ceramic, marble, granite, and similar surfaces, this finger bit delivers focused abrasion for precise hole modification, making it a practical choice for installers, remodelers, and stonework projects that demand clean results.
