General description The 13pcs Hole Saw Set is designed for precision cutting in various materials, including stainless steel, mild steel, iron, copper, and brass. This set features 13 different sizes, ranging from 16mm to 53mm, making it versatile for various drilling applications. The high-quality tungsten carbide construction ensures durability and sharpness, providing clean and efficient cuts. Technical specifications Material: YG8 tungsten carbide steel Outer Diameter Sizes: 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 35mm, 40mm, 45mm, 50mm, 53mm Chuck Size: 10mm Hardness: 64HRC to 65HRC Drilling Depth: Up to 20mm for wood, up to 5mm for stainless steel Maximum Cutting Thickness: ≤15mm for stainless steel and metal plates Compatibility and accessories Compatible with handheld electric drills, motorized drills, and mobile ribbon-type magnetic drills Usage Ideal for fast and precise hole cutting in various metals Designed for drilling stainless steel plates, steel, castings,