135° Sharp Pilot Drill Bit: The 135-degree pilot drill bit ensures you open the wall hole in precisely the right place every time. And the multi-edged blades of the hole saw are designed to make your drilling cleaner, faster, and more efficient. The chip removal hole can quickly remove dust, thus preventing clogging.
Premium Material: Hole saw for masonry is made of high-quality carbon steel. It is sturdy and durable. They are sharp enough to open the wall and wear-resisted. And the connecting rods with 40CR steel are rigid and not easy to break.
Wide Application: This masonry hole saw can drill through common walls and floors made of brick, concrete, cement, and stone. It makes installing air conditioners, water pipes, water heaters, smoke pipes, sewers, etc. easier.
