- Core bit extension
- 3 In. extension, straight
- Two pieces
- Screw core bit onto shank
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 usable cutting depth of 3 In. Extension plus bit beyond 8 In. should not exceed 600 RPM.





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