Dry Drill Core Bits for Brick, Block and Masonry - 4" Diameter 5/8"-11 Threaded #30/40 Diamond Grit
Brand: EDiamondTools

#30/40 diamond grit, premium quality, designed for drilling masonry, block and soft brick - Diameter: 4 inches - Thread: 5/8"-11 threaded - Drilling depth: 9.5" - High diamond concentration and quality guarantee longer coring life.

GRIT SIZE - #30/40 diamond grit designed for drilling soft brick, soft masonry and block
DIAMETER SIZE & THREAD SIZE - 4" outer diameter, 5/8"-11 threaded
DRILL DEPTH - 9.5 inches of drill depth
DURABLE - embedded diamond concentration guarantees longer core life and efficient drilling
USE DRY (or wet) - handheld core drill or rotary drill recommended (turn off hammer mode)