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10Pcs 4.2mm Dia HSS Double End Twist Drill Bits Set for Metal Carbon Steel Working Tool

10Pcs 4.2mm Dia HSS Double End Twist Drill Bits Set for Metal Carbon Steel Working Tool by Amazon.co.uk

Price last update: 12/06/2025

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• Length: 52mm. Shank Diameter: 4.2mm
• Material: 6542 high-speed steel
• It is durable, high precision and very sharp.
• Application: it can be used for industrial drilling stainless steel, spring steel pond, high carbon steel, aluminum metal all kinds of high-hard steel strength metal.
• This is the whole grinding drill bit better than the same type of rolling twist drill

Description

Introducing the 10Pcs 4.2mm Dia HSS Double End Twist Drill Bits Set for Metal, Carbon Steel & Working Tool by Dophee – a premium power tool accessory designed to deliver maximum performance and precision in industrial drilling applications. The 10-piece set includes double end twist drill bits that are crafted from high-quality 6542 high-speed steel, ensuring superior durability, high precision, and incredible sharpness for reliable results every time.

Each drill bit in the set has a uniform diameter of 4.2mm, ensuring compatibility with a wide range of metalworking machinery and tools. The shank diameter is also carefully calculated at 4.2mm to provide optimal stability during use, reducing the risk of slipping or bending while drilling through various types of metals such as stainless steel, spring steel, high carbon steel, aluminum, and other hard-strength metals.

The double end twist design of these HSS drill bits allows for efficient drilling with minimal effort, making them an excellent choice for professionals working in industries such as construction, manufacturing, automotive repair, and metal fabrication. These drill bits outperform traditional rolling twist designs by providing better durability, precision, and cutting performance, which translates to faster drilling speeds and improved surface finishes on the drilled material.

In addition to their industrial-grade construction and design, these HSS double end twist drill bits boast a high-quality aluminum finish that provides superior resistance to corrosion and wear, ensuring long-lasting performance even in harsh or wet working environments. Furthermore, the spiral flute type of these drill bits helps to improve chip removal efficiency while reducing drag forces, allowing for smoother and easier drilling experiences.

To maximize the performance of these HSS double end twist drill bits, they are recommended for use on metallic surfaces. With 10 pieces in each set, these versatile drill bits provide ample opportunity to tackle a wide range of industrial drilling tasks with ease and precision. Don\'t settle for lesser quality drill bit sets – experience the superior performance and durability of Dophee\'s 10Pcs 4.2mm Dia HSS Double End Twist Drill Bits Set for Metal, Carbon Steel & Working Tool today.