Hole saws made of HSS bi-metal with Vario teeth. The variable tooth pitch (4 - 6 teeth per inch) guarantees chatter-free drilling. Hole saws with mounting thread, from 32 mm diameter have additional driving holes. They are suitable for efficient drilling of steel, cast iron, stainless steel, copper, non-ferrous metals, hard and soft wood, sheetrock, and other materials. Saw length is 50 mm, with a maximum drilling depth of 40 mm and a mounting thread of M 16.

Technical data:

• Suitable for aluminium: yes
• Suitable for stainless steel: no
• Suitable for plastic: yes
• Diameter: 83 mm
• Centre drill diameter: not specified
• Mounting system: other
• Suitable for wood: yes
• Suitable for glass fibre: no
• Cutting depth: 50 mm
• Countersink for edge: no
• Suitable for non-ferrous metals: no
• Suitable for plasterboard: yes
• ETIM feature EF007811: yes
• ETIM feature EF007819: yes
• Weight: 295 g.