Designed for soft brick and concrete block drilling operationsInventive bar-slot cooling promotes efficiency, reliability and safetyEasily attach to most hand drillsFor coring soft brick and concrete blocksLaser welded, dry cutting10 amps of power required. For use at 700-5000 RPMCore depth of up to 10". 4" diameter. 5/8"-11 thread
MK Diamond 155945 4" Dry Cutting Masonry Core Bit
Drilling, Boring