Made of high strength 45# steel after heat treatment. It has a variety of properties such as durability, rust resistance, and new scientific spiral chip removal space design to speed up chip removal and improve work. Efficiency saves time and effort.
Use multifunctional carbide alloy cutter head，greatly improved hardness and toughness, and has longer service life, additional anti-skid triangle shank design, firm operation, no flashlight grip.
Fast and efficient drilling through aluminium, iron, thin metal, tiles, glass, cinder blocks, hard plastic, cement, concrete, stucco, mirrors, windows, travertine, bricks, wood and more! Including 5/32", 3/16", 1/4", 5/16", 3/8", 1/2".
The masonry drill set is made of exquisite non-rusty plastic storage packaging, beautiful and exquisite, convenient for storage and carrying.
CORTOOL ensure Masonry Drill Bits Set is quality. If you are not satisfied, please contact us immediately. Our US after-sales service team is available 24 hours a day. No risk to buy!
