JIECHENG 4-1/4 Inch Bi-Metal Hole Saw, 4.25" Hole Cutter with 3/8" Hex Shank Arbor, Sharp HSS Drill for Wood, Plastic, Drywall, Plywood and Thin Metal

JIECHENG 4-1/4 Inch Bi-Metal Hole Saw, 4.25" Hole Cutter with 3/8" Hex Shank Arbor, Sharp HSS Drill for Wood, Plastic, Drywall, Plywood and Thin Metal

【High-Speed Steel Bi-Metal Construction】 Crafted from premium HSS Bi-Metal, this 4-1/4" hole saw features ultra-sharp teeth for superior cutting performance. It offers high hardness, toughness, and wear resistance, ensuring a smooth, clean finish and a longer tool life compared to standard hole saws. 【Precise Cutting & Depth】 With a precise 4-1/4 inch diameter and a 1-1/4 inch (32mm) cutting depth, it is the perfect tool for DIY enthusiasts and professionals. It provides exceptional stability and efficiency, making it the standard choice for 4-inch recessed light installations and ventilation ductwork. 【Versatile Multi-Material Tool】 Designed for high-speed drilling through various materials including soft and hard wood, plastic boards, drywall, gypsum board, plywood, and even thin iron sheets. A highly cost-effective addition to your household renovation or construction toolkit. 【Complete 4-Piece Professional Kit】 Ready to use out of the box! Includes: 1 x 4-1/4" Hole Saw, 1 x Heavy Duty Arbor with 3/8" Hex Shank (fits most standard drills), 1 x Extra Pilot Drill Bit for replacement, and 1 x Hex Wrench for quick assembly. 【Safety & Usage Guidelines】 For optimal performance and safety, we recommend starting at a low speed to establish a guide groove before increasing rotation. Please wear protective gear during operation. Note: This product is NOT suitable for stone, marble, tile, or hard concrete. Professional 4-1/4 Inch Bi-Metal Hole Saw Kit – The Reliable Choice for Precision Drilling Are you looking for a clean and efficient way to cut large holes for your home improvement projects? Our 4-1/4 inch (108mm) Bi-Metal Hole Saw is engineered to deliver high performance and exceptional value. Whether you are installing ceiling lights or running pipes through cabinetry, this tool provides the accuracy and durability you need. Why Choose Our Hole Saw Set? The HSS Bi-metal construction combines the flexibility of carbon steel with the hardness of high-speed steel. This results in sharp, heat-resistant teeth that resist stripping and stay sharp longer, even when cutting through thin metal or tough plywood. Product Specifications: Diameter: 4-1/4 inch (108mm) Cutting Depth: 1-1/4 inch (32mm) Material: HSS Bi-Metal Arbor Shank: 3/8 inch Hex Shank (Fits common handheld electric drills) What’s in the Box? 1 x 4-1/4" Hole Saw 1 x Arbor with Pilot Drill 1 x Spare Pilot Drill Bit (Bonus Replacement) 1 x Hex Wrench (For arbor assembly) Important Operating Tips: Start Slow: Always begin drilling at a low RPM to ensure the pilot drill stays centered and the saw teeth engage the material smoothly. Safety Gear: Always wear safety goggles and gloves. Material Restrictions: This tool is designed for wood, plastic, and thin metal. Do NOT use on masonry, stone, or marble.