Bosch Carbide Technology and the full carbide head make this drill bit last up to 3x longer than a standard drill bit. Punches through rebar effectively so there is no need to stop, re-target or change bits when striking steel. Ideal for drilling holes in reinforced concrete, for chemical anchor setting or rebar connections. Fits SDS Max rotary hammer drills. High-Speed Steel SDS Max Shank Suitable for Concrete & Reinforced Concrete 400mm Working Length Carbide Tip Lasts up to 3x Longer than Standard Drill Bits Bosch Carbide Technology for Extreme Durability Long Lasting & Powerful Ideal for Construction Workers High-Speed Steel SDS Max Shank Suitable for Concrete & Reinforced Concrete 400mm Working Length Carbide Tip Lasts up to 3x Longer than Standard Drill Bits Bosch Carbide Technology for Extreme Durability Long Lasting & Powerful Ideal for Construction Workers