Features High-Speed Steel Durability: Crafted from high-speed steel, these drill bits offer exceptional sharpness and wear resistance, significantly enhancing your drilling efficiency Rapid Drilling Performance: Engineered for fast drilling, these bits ensure you can complete projects quickly without compromising on quality Versatile Application: Ideal for various materials like stainless steel, iron, copper, aluminum, wood, and acrylic sheets, making them perfect for both industrial and household use Compatible with Multiple Tools: Designed to work Features: 1、Diamond drilling bit come with fast drilling speed, round hole without gap 2、Using diamond material blade, which is of sharpn and 3、Oval chip drain hole designs, more conducive to chip discharge, efficient and bring small cutting resistance 4、Can be used for a variety of equipment such as electric hand drills and bench drills 5、The product come with stable structure and excellent performance, practical and convenient Specification: Item Type: Diamond Hole Saw Material: Diamond Proc: Brazing Hole Diameter: Approx. 40mm / 1.6in Handle Diameter: Approx. 16mm / 0.6in Color: Golden Applicable Equipment: Electric hand drill, bench drill Package List: 1 x Diamond Hole Saw Package List 1 x Diamond Hole Saw