About This Package Includes: 1 pc 3-1/4" hole saw, 1 pc arbor with drill bit, 1 pc pilot drill bit (replacement), 1 pc hex key Sharp and Durable: Crafted from bi-metal construction, this hole saw features high-speed steel teeth and a flexible steel body for enhanced durability and sustained sharpness Wide Applications: Engineered for precision drilling on multiple materials including wood composites, plastic polymers, drywall panels, thin metal (except stainless steel), but not for fragile surfaces including glass, ceramic, tiles, granite, marble, porcelain, bricks, masonry, or natural stone to prevent chipping Easy Assembly: Insert the arbor's pilot drill bit through the central hole on the back of the hole saw, then rotate the arbor to tighten it High Work Efficiency: The deep gullets on the sides of hole saw provides fast chip removal Attention: Don't touch the hole saw immediately after drilling because of high surface temperature; Apply water/coolant and reduce feed speed when drilling metal materials; Stop drilling immediately if abnormal vibration occurs Overview Material : Carbon Steel, High Speed Steel Brand : VIKITON Color : Orange Style : Industrial Number of Items : 1
