The body is made of alloy steel, with HSS M3 bi-metal steel teeth laser welded. Resistant to high temperatures and wear. The progressive tooth spacing ensures fast and accurate drilling as well as very efficient chip removal. Ideal for creating holes for ventilation, plumbing and drainage pipes, as well as for outlet boxes, junction boxes, contact boxes, locks, halogen lights, etc.

• Suitable for drilling in steel (including stainless steel), cast iron, wood and wood-based materials (e.g. particle boards, laminated, MDF, plywood), aluminum, non-ferrous metals, as well as plastics, acrylic glass, plaster, etc.
• Requires the use of an adapter and a central drill bit.

Technical specifications:

• Teeth: HSS M3
• Body: alloy steel
• Number of teeth per inch TPI: 4-6
• Diameter: 44mm
• Cutting depth: 40mm
• Weight: 100 g