Suitable for processing , glass, plastic, soft metals, stone, ceramic tiles, etc Convenient grinding, engraving, high efficiency and having stable performance.

Perfect grinding effect and long service life, super durable to use. Easy to use, safe and reliable, tungsten steel material manufacturing.

These engraving tools are hard-wearing, sharp, and durable and also crafted with delicate. With an excellent heat dissipation, the bits won't be burning hot during long-time use like metal ones.

These bits for drill machines are the best gift for beginners to start their journey to the calligraphy and art world and helpful partner for professionals.