Drill bits made from the finest steel blades typically carbide (HM).
The drill guide also has an insert carbide.
Versatility is provided by an insert of cemented carbide
– Angle of attack of 0 degrees, which also allow the use of much higher cutting speeds. Thanks foraminifera are characterized by much higher performance and at the same time drilling have repeatedly longer life.
With the adapter, hole saws can be mounted in standard holders drills SDS-PLUS.
The whole set is enclosed in a robust aluminum case facilitates transport and storage.

Crowns are designed mainly for drilling the installation boxes and sockets, pipes, ventilation, sanitary, plumbing, drain distribution boxes, manifolds and contact details, locks, and halogen lighting in all types of building materials, ie. Concrete, tiles, slabs plaster, gypsum cement.

KIT CONTENTS

hole saw 40mm x 75mm
hole saw 65mm x 75mm
hole saw 80mm x