Reamer Bits are used to enlarge the hole when drilling. Our factory can produce them with different types of shank to match with client's DTH hammer. 

Shank Available: DHD340/SD4/QL40/DHD350/SD5/QL50/DHD360/SD6/QL60/DHD380/SD8/QL80/SD10/NUMA100/SD12/NUMA120