1-1/8 in. Dry Diamond Core Drill Bit for Brick and Block, 9.5 in. Drilling Depth, 1/2 in. Chuck Pilot Bit Adapter

Dry diamond core bits with 30/40 diamond grit with 1/2" shank pilot bit adapter. Designed for drilling soft brick or building block. Included pilot bit adapter to 1/2" shank arbor size, 10mm segment height and 9.5 in. drilling depth. Use wet or dry with handheld core drills or dedicated core drill rigs (rotary mode only).