TCT Hole Saw Set, 2-Pack of 1-3/8" (35mm) Heavy Duty Tungsten Carbide Tipped Hole Cutters for Stainless Steel Mild Steel Copper Iron Brass Plastic and More, with Titanium-Plated Pilot Drill Bits - DKIBBITH, DKVIP-0009

• - Wide Size Range: This set includes two packs of 1-3/8-inch (35mm) hole saws with cutting depth up to 0.47 inch. more sizes are available for options, covering a wide range of hole diameters for conduit and pipe installation. with a chunk size of 3/8 inch (10mm),they work with drills, impact drills in drilling mode, and CNC drilling machines. - Precision and Useful: TCT Hole Saw creates clean and burr-free holes faster than conventional twist drills or hole saws, make it a must have tool for Electrical Installations, Plumbing and Pipe Work, HVAC Systems work, Furniture and Cabinet Making work, Metalworking Projects and more. - Diverse Applications: Suitable for a wide range of materials including stainless steel, mild steel, iron, copper, aluminum, FRP, plastic and brass sheet up to 1/8-Inch (3 mm) thick, making it a versatile tool for various projects. - Sharp and Convenient: These Tungsten Carbide Tipped Hole cutters with high-grade cemented carbide teeth offer professional hardness and sharpness. The split point pilot drill bit prevents bit walking, ensuring precision and high-quality holes, while the ejection spring facilitates easy slug removal for added convenience -Handle with Care: avoiding any dropping or sudden impact in drilling as it can cause damage to the high hardness TCT teeth. lower speed will be recommended for drilling harder material. after each project, please add oil to the bit and store it in the semi-transparent rust-proof plastic carrying case