The SDS & SDS Plus bits are interchangeable. The SDS Plus does offer slightly better grip on the bit but either one is accepted in any of these tools. The capacity size on the drill indicates to largest solid bit recommended to use with that drill. The bits will work with any of the tools however it may be underpowered. The SDS Max hammer drills are best for carbide drill capacity from 1/2" to 1-1/2" or thick walled core bits up to 4". There are also many chipping, chiseling, bushing, cutting and digging bits that work well with the SDS Max tools.