DIY Spiral Groove Step Drill with 6-60MM Pagoda Design and 4241 Triangular Handle for Hole Expansion

This versatile step drill features a unique pagoda design, allowing for precise hole expansion ranging from 6 to 60mm. Crafted with durable 4241 material, it offers exceptional performance and longevity. The spiral groove structure ensures smooth drilling with minimal resistance, while the triangular handle provides a comfortable and secure grip for enhanced control and accuracy. Ideal for DIY enthusiasts, this tool is perfect for various materials and drilling tasks. Material: High Speed Steel Total length (mm): 110 External blade angle (°): 86 Blade length: 86 Shank diameter: 12 Product weight (kg): 0.6 Manufacture country: China Instructions included: No