QWORK Concrete Hole Saw Kit, 7 Pcs Cement Stone Drill Bit Sets, Shank with (30mm 40mm 60mm) Cutting Diameter, 8 11/16" Connecting Rod, 3 Center Drill Bits, for Brick Stone Wall Drilling

QWORK

• Quality: The concrete hole saw kit is made of durable tungsten steel and carbide, high-frequency welding technology, very strong and durable, easy to operate, easy to use, fast perforation, very suitable for cutting induction holes in concrete, brick walls.
• Professional Hole Saw Kit: 3-Pack Concrete Hole Saw, 1-3/16" (30mm), 1-3/5" (40mm), 2-9/25" (60mm). 1 SDS-compatible connecting rod 8-7/10 in. (220 mm). 3 center drill bits 4-1/3 (110mm), allowing you to quickly punch clean hole.
• Shank: The hole saw drill bit set is equipped with SDS-compatible bit shank, and the external thread adapter is designed to closely match your drill chuck, greatly increasing the drilling speed, making your hammer drill even more useful than it already was.
• Multiple Uses: The Professional Hole Saw Kit can easily drills through most common wall materials (brick, adobe, concrete, cement, and stone), allowing you to install air conditioner pipes, water pipes, exhaust hoses, ewer pipes, and more.
• 100% Satisfaction: Enjoy a smooth & worry-free return service within a month! Any questions feel free to contact us, we will do our best to help you.