4PCS Bi-Metal Impact Hole Saw Kit, Includes 3 Saw Blades(7/8", 1-1/8", 1-3/8"), 1 Double Ended Screwdriver Bit, Thin Wall Circular Hole Drill Set for Cutting Metal, Wood & Plastics

This professional thin wall impact hole saw set comes with 3 mainstream sizes: 7/8 inch, 1-1/8 inch and 1-3/8 inch, fully prepared for your drilling tasks. Equipped with a robust 1/4 inch impact double end screwdriver bit, it is universally compatible with impact wrenches, lithium-ion drills, electric screwdrivers and all regular power drills, easy to install and replace. The 8-TPI thin wall design improves cutting speed by 40% than traditional bi-metal hole saws, bringing you faster and cleaner cutting results. The spring-loaded pilot bit can automatically eject cut scraps smoothly without stuck. Meanwhile, the bottom depth stop cover prevents over-drilling, which well protects electrical boxes and junction boxes from accidental damage. These hole saws are engineered to cut plastic and thin gauge metal with thickness up to 3mm (1/8 inch). A must-have tool for electricians, maintenance workers, carpenters and DIY enthusiasts for home renovation, circuit installation and pipe processing.

• 【Premium Bi-Metal Durability】Our thin-wall impact hole saw set is crafted from high-quality bi-metal material, engineered for exceptional heat, rust, and wear resistance. The robust construction withstands heavy daily use, ensuring a long service life for both professional contractors and DIY users.
• 【HIGH-PRECISION & FAST & Clean CUTTINGE】quipped with a 6542 high-speed steel center drill with spring, our hole saws efficiently discharge cutting slag and eject debris automatically to prevent jamming, ensuring smooth, uninterrupted work. Featuring an 8-TPI thin-wall tooth design, these saws cut up to 40% faster than standard bi-metal hole saws. With advanced rounding technology, high concentricity precision, and uniform tooth edges, they deliver clean, round, burr-free holes with minimal tear-out every time.
• 【Complete Versatile Hole Saw Kit】Including 3 hole saws (7/8 inch, 1-1/8 inch, 1-3/8 inch), 1 1/4-PH2 impact double end screwdriver bit. The bottom cover docking design can prevent excessive drilling, protect the internal components of electrical and junction boxes, making it an ideal choice for electrical installation and home decoration projects.
• 【Wide Compatibility & Clear Identification】Built with a sturdy 6mm ( 1/4″ ) quick-change hex shank, this set works seamlessly with impact wrenches, cordless drills, electric screwdrivers, and standard hand drills. Each saw is clearly marked with its size, allowing for quick and easy selection on any job site.
• 【Convenient Organized Storage】The set comes with a dedicated holder and locking carabiner, keeping all hole saws neatly organized and preventing loss. Clip it to your tool belt, jeans pocket, or backpack for instant access, eliminating the hassle of rummaging through cluttered toolboxes.