M35 Cobalt Twist Drill Bit Set - 5pcs High-Speed Steel Double Head 30mm Metal Plate Drills

Introducing the M35 Cobalt Twist Drill Bit Set, a collection of five precision-engineered high-speed steel drill bits infused with cobalt for enhanced durability and performance. Designed with a 135-degree outer blade angle, these drill bits excel in a wide range of materials, including stainless steel, aluminum alloy, metal pipes, and iron plates.

Each bit features a double-head design that simplifies usage, complemented by a specially sharpened head with a double back apex angle. The construction ensures high hardness and sharpness, allowing for efficient drilling with smooth and effective chip removal due to the uniquely shaped grooves. Enhanced by vacuum heat treatment, these bits demonstrate strong wear resistance, making them a reliable choice for professional and DIY applications alike.

The set includes drill bits with diameters of 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.2mm, 4.5mm, 5.0mm, 5.2mm, and 5.5mm. The lengths vary from approximately 4.4cm for the smaller bits to about 6.4cm for the larger ones. Each bit maintains a lightweight design, ranging from about 5g for the 3.0mm bit to approximately 15g for the 5.5mm bit, ensuring ease of handling without compromising performance.

Upgrade your toolkit with the M35 Cobalt Twist Drill Bit Set and experience the precision and reliability that come with quality engineering.

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