BAHCO Premium Power Tool Accessory Bits Set - High Speed Steel Drill Bits & Driver Bits for Wood, Metal & Concrete - Perfect for DIY Projects, Home Repairs & Professional Construction Work

To cope with wear and tear, the drill bits are made from high performance alloy steel developed with an optimized hardening temperature. The spiral channel allows effective dust removal for greater strength and reduced heat friction

Immediate centering tip prevents skidding on smooth surfaces

Optimized 4 x 90° symmetry allows the edges of the 4 carbide cutting edges to operate evenly and at the same time

For masonry, reinforced concrete, natural stone and artificial stone

Head geometry designed specifically for better center drilling, faster drilling and more accurate drilling hole

Attaches directly to all SDS+ and HILTI TE-C square hammer drilling machines