Description Product description Masonry drill bit, diameter 80 mm. Core drill with six cutting inserts made of high-quality sintered carbides, brazed to the steel body with brass. Hexagonal shank 13 mm with M-16 thread. Hole saw depth about 50 mm. Central replaceable pilot drill bit Ø 8 mm. Outer surface is helically milled for better material discharge from the drilled hole. Designed for professional work when installing electrical junction boxes in brick or concrete walls. Parameters Purpose: Concrete, silicates Additional information Weight 0.9 kg Dimensions 33.5 × 20 × 6 cm Reviews No reviews yet. Only logged-in customers who have purchased this product can write a review.