General description The AlwaysH Large HSS Step Drill Bit is designed for DIY enthusiasts, featuring a versatile design that accommodates multiple hole sizes in one bit. This high-speed steel drill bit is titanium coated for enhanced durability and performance. Technical specifications Material: 4241 high-speed steel Coating: Titanium Hole sizes: 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm Compatibility and accessories Compatible with acrylic, PVC, wood, aluminum, and iron sheets Usage Fast striking tip allows for quicker drilling compared to average step drills No need for center punching, making it easier to use