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.
Features and Benefits:
The core bit has tungsten carbide teeth and a hardened steel body for maximum durability.
There are various adaptors available to fit on different rotary hammers (sold seperately).