EDiamondTools Dry/Wet Core Bit for Masonry, Concrete or Stone

Versatile dry/wet dual-use core bits with high diamond concentration and soft bonding, for a wide range of applications such as brick, block, pavers or natrual stones with Moh’s hardness below 4 for dry drilling. For wet drilling, concrete (non-reinforced) or natrual stones with Moh’s hardness below 7. Includes 1/2″ chuck pilot bit with core bit. 10mm segment height with 6 inch drilling depth. Use wet or dry, depending on application and recommended to use with handheld drills (rotary mode only) or variable speed grinders.