1-1/4" Dry/Wet Multipurpose Core Bit for Masonry, Concrete and Natural Stone #30/40 Diamond Grit with SDS Plus Pilot bit

Versatile dry/wet multi-purpose core bits with high diamond concentration and soft bonding for a wide range of applications. Dry drilling is ideal for brick, block and natural stones with Moh's hardness <4. Wet drilling is ideal for concrete (non-reinforced) and natural stones with Moh's hardness 7. 10 mm segment height with a 6 in. drilling depth and 5/8 in. to 11 threaded arbor. Includes SDS Plus pilot bit adapter. Recommended to use with handheld drills (rotary mode only) and variable speed grinders.