6mm drill bit for use with angle grinder

Sigma FAST diamond crowns are used for dry and wet drilling of ceramics, marble, granite, and porcelain stoneware.

M14 fitting.

Recommended drilling speed (angle grinder):

Ø6 – Ø25mm [6000 rpm]

Ø30mm [5000 rpm]

Ø35 – Ø50mm [4000 rpm]

Ø60 – Ø70mm [3000 rpm]

Important: Adhere to the crown diameter Ø alignment with the recommended rotational speed in minutes. Recommended cooling by immersing the crown in water (2-3 seconds) or cooling wax – after every 10 seconds of operation. By following these recommendations, you will achieve a higher number of drilled holes per crown.