EASY WET GRES CROWN 40 MM

Galvanically coated diamond drill bits for working with an electric drill without impact.
The quality of the diamond coating allows drilling holes in porcelain stoneware, porcelain stoneware, granite, marble and glass.
Always use with water cooling.
To prevent the drill from moving and to achieve even hole edges, it is recommended to use a Multidrill guide (ref. 50944),
and for proper cooling of the tool during operation - a container with water (ref. 50947).
The recommended working speed of the drill is from 400 to 1000 rpm. depending on the type of drilled material.
Average drill life approx. 10-20 holes, depending on the type of material.
Drill body made of steel with a diamond cutting rim plated electroplated.
Side hole for better cooling and removal of residues after drilling each hole.
To ensure good hole finish and drill life, the given rotational values should not be exceeded,
or exert undue pressure on the drill during operation.
Packed in plastic containers suitable for storing used drills.