3078GST

Diamond type for drilling the hardest materials such as porcelain, glass, ceramic, granite, marble, travertine slate, porcelain stoneware. They do not require large quantities of water, but it is sufficient to immerse them every 5 seconds of work in a small container of water to obtain the necessary cooling. Not having a guide tip, it is recommended to have a 45° entrance with respect to the material to be drilled. Integral hexagonal attachment 1/4" DIN 3126 E 6.3, also ideal for cordless electric tools. Total length 65 mm. Hole saw depth 11.5 mm.

For diamond-type bits see Art. 1334 GC and 1334 GCE.