Enhance your drilling efficiency with this premium Spiral Step Drill Bit, expertly crafted from robust high-speed steel for exceptional durability and long-lasting performance. Featuring a unique 3-sided shank design, this drill bit ensures a secure grip in your drill chuck, preventing slipping and reducing impact for safer, more precise drilling. Ideal for use with pistol drills or electric drills, this versatile tool is optimized for high-speed cordless drilling rigs, delivering faster, straighter cuts with minimal material flying. Key Features: · Unique 3-Sided Shank: Prevents slipping and buckling during use, providing enhanced stability and control while reducing wear on both the drill bit and your drill chuck. · Spiral Step Drill Bit Design: Optimized spiral slots improve cutting speed and accuracy, while also allowing automatic deburring for cleaner holes and extended bit life. · 10 Size Drill Bits in One: Covers a wide drilling range from 1/4 inch to 1-3/8 inches, allowing you to drill multiple hole sizes without the need to change bits, saving time and effort. · Versatile Drilling Depth: Capable of drilling through steel plates up to 0.07 inches (0.2 cm) thick, and acrylic, PVC, or wooden boards up to 0.2 inches (0.5 cm), suitable for a variety of materials. · High-Speed Steel Construction: Made from durable high-speed steel, this drill bit withstands high temperatures and maintains sharpness for prolonged use. · Optimized for High-Speed Drilling: The combination of spiral slot design and 3-sided shank maximizes speed and control, making it perfect for cordless drills and electric drills alike. Specifications: · Material: High-Speed Steel · Tool Handle Size: 3/8 inch · Drilling Range: 1/4 inch to 1-3/8 inch · Step Sizes: 1/4 in, 3/8 in, 1/2 in, 5/8 in, 3/4 in, 7/8 in, 1 in, 1-1/8 in, 1-1/4 in, 1-3/8 in · Color: Dark Yellow · Item Type: Spiral Step Drill Bit · Scope of Application: Compatible with pistol drills and electric drills Package Includes: · 1 x Spiral Step Drill Bit This Spiral Step Drill Bit is an essential addition to any toolkit, combining innovative design and durable materials to deliver reliable, efficient drilling across multiple materials and hole sizes. Perfect for professionals and DIY enthusiasts seeking precision and versatility in one convenient tool.