Enhance your drilling projects with this versatile 13-piece Twist Drill Bit set, crafted from high-speed steel to deliver exceptional hardness, wear resistance, and toughness. Designed for precision and durability, these drill bits are ideal for a wide range of materials including aluminum, wood, malleable iron, stainless steel, tool steel, and other hard-to-machine workpieces. Each bit undergoes heat treatment to ensure optimal performance even in demanding applications. Key Features: · Premium High-Speed Steel Construction: Provides high hardness and excellent wear resistance, ensuring long-lasting durability and reliable drilling performance. · Versatile Material Compatibility: Perfectly suited for drilling into aluminum, wood, malleable iron, stainless steel, tool steel, and deep hole positioning, making it a multifunctional tool for various projects. · Heat-Treated for Enhanced Strength: Heat treatment process improves toughness, allowing these twist drill bits to efficiently handle tough materials with ease. · Sharp Spiral Flute Design: The precisely engineered twisted flute ensures smooth chip removal and reduces drilling effort, making your drilling tasks faster and more effortless. · Wide Application Range: Compatible with manual and electric hand-held drilling tools, milling machines, lathes, and machining centers, providing flexibility for professional and DIY use. · Complete Size Range: Includes 13 drill bits with diameters from 1.5mm to 6.5mm, covering a broad spectrum of drilling needs. · Durable Surface Treatment: Features bit baked yellow coating for enhanced surface hardness and corrosion resistance. Specifications: · Material: High-Speed Steel · Surface Treatment: Bit Baked Yellow · Handle Type: Round Handle · Quantity: 13 Pieces · Diameter Range: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm · Weight: Approx. 80g Package Includes: · 13 x Twist Drill Bits This comprehensive set of twist drill bits combines superior material quality and precise engineering to deliver efficient, clean, and accurate drilling across a variety of materials. Whether for woodworking, metalworking, or industrial applications, these high-speed steel drill bits are an essential addition to your toolkit.