Hordion Concrete Hole Saw Kit, 30mm 40mm 60mm Hole Saw Drill Bit Set SDS Plus Shank Wall Hole Cutter with 202mm Connecting Rod for Brick Concrete Cement Stone Wall Air Conditioner Masonry Tile

Features:
The hole saw drill bit set has a specially designed shank that can be used perfectly with your SDS Plus hammer drill. Whether it is installing air conditioning pipes, water pipes or kitchen exhaust hoses, it becomes very easy and simple.
During use, the external and internal grooves can cleanly remove chips to achieve continuous and efficient operation.
Our triple-edged teeth are designed to make your drill cleaner, faster and more efficient.

Package Include:
1 x 1-2/11" hole saw cutter
1 x 1-9/16" hole saw cutter
1 x 2.36" hole saw cutter
1 x 7.95" connecting rod
3 x 0.28" drill bit
1 x screw

Friendly Reminder:
1. When the positioning bit is loose, use a wrench to tighten the bolts.
2. When you cannot drill down, please pay attention to check whether the residue is blocking the hole opener. After the waste is processed, please continue to open the hole.
3. When excavating, please take good protective measures to prevent the splash of sawdust from damaging the eyes.
4. To make the locking screw more stable on the drill bit and ensure your safety, please use it clockwise when drilling the wall hole, thank you.