Description
A 13-piece drill bit set is a collection of 13 twist drill bits of varying sizes, typically made from durable materials like high-speed steel (HSS) or HSS with a titanium or cobalt coating. Designed for use with electric drills, these sets are versatile and can drill holes in a range of materials, including wood, plastic, and various metals, making them suitable for both DIY and professional applications. Each set comes with a compact storage case for organization and portability.
Key Features
Variety of Sizes:
The set contains 13 different bit sizes, providing a range of options for different drilling needs and hole diameters.
Material:
High-speed steel (HSS) is common, offering durability and precise cutting. Some sets may include a titanium or cobalt coating for increased hardness, wear resistance, and better performance on tougher materials like stainless steel.
Design:
The drill bits have a twist flute design and a round or hex shank. The twist design facilitates efficient chip removal, while the 135° split point helps prevent the bit from walking and ensures self-centering for accurate holes.
Applications:
The bits are designed for general-purpose drilling in various common materials such as wood, aluminum, iron, plastics, and sometimes even harder metals.
Convenient Storage:
The set is usually packaged in a portable plastic case, which keeps the bits organized and protected for easy selection and transport.
How it Works
The drill bit rotates and cuts a hole into the material as the user applies pressure.
The twist flutes are designed to carry away debris and prevent overheating.
The self-centering point reduces the need for a separate center punch for initial hole placement, leading to cleaner and more precise drilling.
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