Feature

●(High Quality) Made with carbide cobalt high speed steel material, which is abrasion resistant and heat resistant, and has excellent sharpness than ordinary steel step drills. High hardness, durable and long lasting, high precision, blade sharpness, excellent sharpness, abrasion resistance, corrosion resistance and durability
●Applications: Suitable for hardness under 1.0 inch (25 mm) such as carbon steel, sheet metal, insulation board, PVC board, thick board, wood thickness 0.2 inch (5 mm) or less. The spiral shape is ideal for stainless steel with less welding and smooth drilling. An indispensable tool for drilling stainless steel, thin iron plates, aluminum plates, wood, vinyl, resin, etc., for household DIY, enlarging the lower hole, chamfering, deburring, etc
●(Highly Durable) The tip has excellent penetration properties for improved durability. It also reduces the resistance of the cutout so your tools will last longer. The callouser drill extends the holes in order from small holes to large holes, allowing you to modify multiple sizes of drilling and enlarging holes. Millimeter display improves work accuracy
●Multi-functional Stair Drill: This drill has a stairway design that can be used as a single drill, making it efficient without having to replace the drill. Developed to be a reliable tool by professionals and DIY enthusiasts The polished steps and dimensions are noticeable so you can check the size of the target hole while in use. Eliminates the hassle of stopping and checking


Description

Applications: Suitable for hardness under 1.0 inch (25 mm) such as carbon steel, sheet metal, insulation board, PVC board, thick board, wood thickness 0.2 inch (5 mm) or less. The spiral shape is ideal for stainless steel with less welding and smooth drilling. An indispensable tool for drilling stainless steel, thin iron plates, aluminum plates, wood, vinyl, resin, etc., for household DIY, enlarging the lower hole, chamfering, deburring, etc.