Extend your SDS Max drill and core bits 12-1/2 in. with the Milwaukee® exclusive Tilt-Lok™ 12-1/2 in. SDS Max adapter. Drill deeper and in tight spaces with confidence. The SDS Max adapter lets you lengthen and use SDS Max core and drill bits in a variety of rotary hammers. The connections are designed for optimum energy transfer, so you won't lose drilling productivity. The Tilt-Lok extension system lets you get more value out of your SDS Max drill and core bits. The easy-to-use Tilt-Lok connection adapter (sold separately) accommodates SDS Max, SDS Plus or spline shanks for a truly universal system that's compatible with all common rotary hammers. The adapter securely locks the two SDS Max shanks (bit and extension) together for maximum versatility and strength in extensions from 12-1/2 in. to 82-1/2 in.