Alpha® now offers a Core Bit Extender which allows you to drill hollow concrete blocks from one side for both walls. The Extender ca n be used on hammer drills and rotary hammers. The Extender, with 5/8”-11 female thread, is available with an SDS Plus or ½” Hex Shank and comes in lengths of 6” or 10”. A pilot carbide drill bit guides to the right spot without slipping on the surface. Convert Your Rotary/Hammer Drill With The SDS-Plus Fitting Into A Core Drill With A 5/8"-11 Thread Extend Reach In Hard To Access Areas Effortlessly Switch Between Accessories And Sizes Made With High Strength Steel Perfect For Thick Materials Such As Cutting Through Concrete, Brick, Pavers, Stone, And More Compatible With Diamond-Tipped Core Bits For Dry Coring To Extend The Reach Must Be Used Without Percussion of Rotary Hammer/Hammer Drill Application(s) Part No. Size Type Threads For Use On Container CBESDSS 6" (150mm) SDS Plus Shank Short 5/8"-11 Hammer Drill/Rotary Hammer Shank Adapter, Pilot Bit and Screw CBESDSL 10" (250mm) SDS Plus Shank Long 5/8"-11 Hammer Drill/Rotary Hammer Shank Adapter, Pilot Bit and Screw CBEHEXS 6" (150mm) 1/2" Hex Shank Short 5/8"-11 Hammer Drill/Rotary Hammer Shank Adapter, Pilot Bit and Screw CBEHEXL 10" (250mm) 1/2" Hex Shank Long 5/8"-11 Hammer Drill/Rotary Hammer Shank Adapter, Pilot Bit and Screw
