Set of diamond crowns of 14 PCs. Diamond crown is designed for drilling stone, ceramics, granite, marble, concrete and walls. Installed on angle grinders. It is used in construction and finishing works.
To increase the efficiency and durability of the crown, it is recommended to start drilling at a small angle. Can be used with or without water.
In the core of the crowns with a diameter of 6-14 mm is paraffin, which is used for additional cooling during drilling, enough for a long service life.