The drill is designed for glass and ceramic tiles, provides an accurate and clean hole without chippingThe drill is made of high quality steelThe working edge of the drill has a diamond coating,...
Rust resistant: steel is an excellent resistor against oxidization , hence the product is highly anti corrosiveDurable :The product is made from carbon steel , which gives it strength and...
The drills are made by profile grinding, have a slightly enlarged core, which allows the tool to withstand significant loads when drilling difficult-to-machine materialsThe transverse cutting edge...