5 Different Sizes Extra Long High-speed Steel Twist Drill Bits, Hardness Spiral Drill Bit for Drilling Wood, Plastic, Aluminum and Composite Materials

• [High-speed Spiral Design]: This twist drill bits adopts a high-speed spiral design, the drilling speed is significantly than standard drill bits, and the flutes help reduce friction and heat
• [5 Popular Sizes]: This HSS drill bit set includes 5 most popular drill bits with diameters of 2mm, 3mm, 3.5mm, 4mm, 5mm, and lengths of 150mm to 160mm
• [Make Drilling More Labor-saving]: The cutting edge of this spiral drill bit is hardened and polished to achieve the purpose of sharpness, the longer size allows you to drill more labor-saving
• [High Hardness and Durability]: This extra length drill bit is made of high-quality high-speed steel, with strong hardness, good wear resistance and durability
• [Scope of Application]: This high speed long drill bits can be quickly installed on most electric drills and drilling machines, which is suitable for drilling wood, plastic, aluminum, etc

Features: - Twist drill bits are made from high-speed steel for high hardness and durability. - This set includes 5 pieces drill bit in different sizes of the most popular drill bits. - Extra long cutting edge allows you using these bits to drill deep holes. - They are great for most drilling jobs and materials such as aluminum, wood, plastics. - Sharp twisted drill bits will make the drilling easier and more effortless. Specifications: Material: High-speed steel Type: Twist drill bit Diameter: 2mm, 3mm, 3.5mm, 4mm, 5mm Length: 150mm~160mm Package Includes: 5 x Drill Bits