21pcs Cobalt Drill Bit Set, M35 High Speed Steel 1/16-3/8, Metal Drill Bit Set for Steel

APRW Twist Drill Bit Set is a professional tool that offers a clean surface and high grinding accuracy due to its precision grinding process. The set features a universal round drill shank that can be used with various tool holding systems and ensures a tight clamp. It is made of M35 material with 5% cobalt added to increase the lifespan of the drill bit. This makes it suitable for drilling projects on aluminum, hard metal, wood, plastic, and other surfaces.

The APRW 21pcs Cobalt/HSS Drill Bit Set has a 135-degree angle point, which allows for fast chip cutting and stable operation while preventing wandering. The drill bits go through a high-temperature calcination process and are then cooled and quenched to improve their hardness. This set can be used in various scenarios, including home decoration, handmade DIY production, and automobile repair.

The Jobber Length Drill Bit Set by APRW includes 21 drill bits and comes in a portable plastic case. The drill bits are made of M35 Cobalt, an industrial-grade high-speed steel with 5% cobalt added to extend the drill bit's lifespan. They also undergo high-temperature heat treatment for better heat resistance and wear resistance.

The drill bit set features a 135-degree point tip and straight shank design to prevent walking and ensure accurate and faster drilling. The spiral flute design allows for efficient chip removal, resulting in faster and cooler drilling performance. The set includes 21 drill bit sizes ranging from 1/16 to 3/8 inch, catering to various drilling needs and simplifying your toolbox.

These drill bits are suitable for drilling hard metals such as stainless steel, steel, sheet metal, and cast iron, as well as soft metals like plastics, aluminum alloys, and wood. They are compatible with most power and hand tools.

For easy storage, the drill bit set comes with a clear plastic case that has a size index for easy viewing and sorting. It also includes a carabiner with an anti-theft crossbar, which requires the first-time cutting of the crossbar to access the drill bits.

We are committed to providing quality products. If you have any questions or issues with our drill bit set, please feel free to contact us. We also offer free return service for any broken products. Buy with confidence!

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