Bosch SDS-plus thin-wall core bits are optimized for drilling with smaller hammers. Core body range is 1 in. up to 4-3/8 in. with a 3 in. usable cutting depth. Extension plus bit beyond 8 in. should not exceed 600 RPM.
Core bit extension
Overall length in. 13， shank size in. 9.92， shank length in. 2-1/4， length in. 13
For use with core bits
Screw core bit onto shank
Works with thin-wall core bits， 1-1/2 in. or larger
Meant for use with rotary hammers and corded/cordless hammer drills
Includes: (1) 13 in. SDS-plus core bit shank extension
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