Alovez Extended Twist Drill Bit Set, 8pc High-Speed Steel Twist Drill Bit

【8 DIFFERENT SIZES】: Twist drill bits come in 8 different diameters: 4, 4.2, 4.5, 5, 5.2, 6, 8, and 10mm, providing various hole sizes to meet your needs. 【HIGH-QUALITY MATERIAL】: Our twist drill bits are made of HSS 4241 high-speed steel, fully milled for high hardness and durability. 【ULTRA-LONG】: The extra-long cutting edge, totaling 200mm, 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. 【WIDE APPLICATION】: HSS drill bits are suitable for drilling various materials, including steel castings, spring steel, mild steel, ordinary steel, angle iron, aluminum, copper, wood, and stainless steel (1-4 mm). HSS Twist Drill Bit Set with Round Shank - 4-10mm, 200mm Length Drilling Tools for Wood, Metal, and Steel. Features: - Twisted spiral design, easily removes sawdust and iron filings during operation. - 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 twist drill bit is made of HSS high-speed steel and is fully milled, unlike other products. -It features precise positioning, fast cutting, high chip removal capacity, and good wear resistance. Specification: Material: High-speed steel Diameter: 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm Length: Suitable for 200mm Quantity: 8 pieces Package Contents: 8 x Twist Drill Bits