Superma Extra Long 200mm 8-Piece Drill Bit Set, High-Speed ​​Steel Drill Bits, Straight Shank with Diameters of 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm

8 DIFFERENT SIZES: Twist drill bits are available in 8 diameters: 4, 4.2, 4.5, 5, 5.2, 6, 8, and 10 mm, providing different hole sizes to meet your needs. HIGH-QUALITY MATERIAL: Our twist drill bits are made of HSS 4241 high-speed steel, using a full milling process for high hardness and durability. ULTRA-LONG: The extra-long cutting edge, totaling 200 mm, allows you to use these drill bits for drilling deep holes. ADVANTAGE: Precise positioning, fast cutting, strong chip removal, good wear resistance, and sharp twist drill bits make drilling easier and more efficient. Easy. WIDE APPLICATION: HSS drill bit suitable for drilling molded parts made of steel, spring steel, mild steel, ordinary steel, angle iron, aluminum, copper, wood, and stainless steel 1-4 mm, etc., drilling various materials. Set of HSS Helical Bits with Round Shank 4-10mm, 200mm Length Drilling Tools for Wood, Metal, and Steel Features: - Twisted spiral design, easily removes sawdust and metal shavings during use. - 8 different diameters available: 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm. - For DIY projects, processes, and general construction engineering applications. - Our extra-long helical drill bit is made of HSS high-speed steel and is significantly cheaper than other products. - It offers precise positioning, fast cutting, high chip removal capacity, and good wear resistance. Specification: Material: Steel High Speed Diameter: 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm Length: Approx. 200mm Quantity: 8 pieces Package Contents: 8 x Helical Drill Bits Welcome to meet