Description

The range of Sigma Diamond Drill Bits are designed for drilling holes in porcelain tiles, ceramic tiles, klinker, granite, marble, limestone, slate, terracotta, masonry and fiberglass. Features a 9mm hex fitting to suit all types of cordless drill chucks.

Suitable for wet or dry use, at a recommended speed of 1000 to 1500 rpm maximum. When drilling dry, use the Sigma Cooling Wax to extend the life of the drill bit. One drill bit will drill approx. 60 holes in porcelain tiles. When the diamond cutting segments become dull, use the Sigma Dressing Stone for diamond tools to restore the diamond particles back to their full cutting sharpness.

The Sigma Diamond Drill Bits are available in the following sizes: