The hollow core bits are designed to be used with rotary hammers. It is used for boring out holes from Ø20 - Ø125mm in brickwork or aerated concrete. Make sure to use the correct adaptor, length and thread for the hollow core bit.
Rotary Hammer with SDS plus. The fastest multi-hammer in the 4kg class. Extremely robust thanks to aluminium gearbox. Extremely fast changing between SDS-plus and keyless chuck for drilling in wood and metal. Compact design for perfect handling.
Bosch Quality at an affordable price! Highly Serviceable: Motor has changeable carbon brushes for easy maintenance and serviceability! Durable: Designed with Robust Housing and Battery Cell Protection! Includes 2x Battery & Charger. 18v