Drill crown bimetal 44 mm SD-5644 Intertool

Crown bimetal - a tool for drilling through holes in the large-diameter sheet steel, non-ferrous metals, wood, chipboard, plywood and plastic. It is also called a crowned or a core cutter. The crown is formed of tool steel and the cutting blade portion is made of high speed steel P2M10K8 with 8% cobalt. Cobalt contributes to extreme wear resistance and long tool life. Smooth edges and smooth cut, provided with accurate drilling circumferentially and aggressive position of teeth with variable pitch. The maximum drilling depth is 38 mm. In deep drilling swarf removed through holes on the sidewalls. In order to serve you for a tool, use coolants (lubricating coolant) and do not exceed the recommended number of turns. Make accurate and clean hole using a bimetallic for metal crowns. Particularly easy to obtain accurate drilling and clean hole through the special layout and the angles of inclination of the teeth. The cutting edge withstands high loads without deformation because P2M10K8 made of high speed tool steel with a cobalt content of 8%. The crown can easily cope with steel including stainless steel, brass, aluminum, wood, plastic and drywall. Chip removal through the slits on the sides of the crown. SD5602 (7/16 ") the holder is suitable for this crown. Attention! Holder is not supplied with a crown. Table maximum RPM for drilling various materials: Item Diameter in mm. Diameter in inches Stainless Steel Steel Brass Aluminum Wood Plastic SD5644 44 1 3/4 95 200 260 310 440 550