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Chicago Latrobe 57720 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point, Wire Size, 20-piece, #80 - #61
A versatile set of high-speed steel drill bits with a black oxide finish for reduced wear, suitable for general-purpose drilling on ferrous materials.
Chicago Latrobe 57720 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point, Wire Size, 20-piece, #80 - #61
Item #: 30486473

Chicago Latrobe 57720 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point,

Item #: 30486473

TMT 369

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A versatile set of high-speed steel drill bits with a black oxide finish for reduced wear, suitable for general-purpose drilling on ferrous materials.
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What Stands Out

High-Speed Steel
Crafted from durable high-speed steel, these drill bits ensure efficient cutting, longevity, and reliability, making them ideal for demanding tasks and various materials.
Black Oxide Finish
The black oxide finish enhances corrosion resistance, reducing friction and improving wear, thus ensuring the drill bits maintain performance and longevity through repeated use.
Complete Set
The 20-piece set, ranging from #80 to #61, provides versatility for various jobs, making it a comprehensive solution for professionals and DIY enthusiasts looking for precision and convenience.

Product Details

Shop the Chicago Latrobe 57720 Drill Bit Set with Metal Case, Black Oxide Finish at Ubuy Turkmenistan. High-speed steel, versatile jobber length, 20-piece set for general-purpose drilling.
MaterialHigh Speed Steel (HSS)
Finish TypeBlack Oxide
Shank TypeStraight
Cutting Angle String118 Degrees
BrandChicago-Latrobe

Who Should Buy?

Suitable For
  • Professional Contractors

    Ideal for contractors needing durable, high-quality drill bits for various materials and consistent performance on job sites.

  • Hobbyist Machinists

    Perfect for hobbyists engaging in precision drilling for metalworking or small engineering projects requiring detailed finishing.

  • Industrial Applications

    Suitable for industrial settings where high-speed steel bits can handle regular, heavy use across many drilling tasks.

Not Suitable For
  • Casual DIYers

    Not ideal for casual users who might only need basic, low-cost drill bits for infrequent home tasks.

Product Description

Chicago Latrobe 57720 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point, Wire Size, 20-piece, #80 - #61

About This Item

Looking for a reliable set of drill bits to handle all of your general-purpose drilling needs? Look no further than the Chicago-Latrobe 57720 150 Series High-Speed Steel Jobber Length Drill Bit Set. This set includes 20 high-speed steel drill bits with a black oxide finish and a 118-degree conventional point, each designed to provide excellent wear resistance while promoting chip and coolant flow. Each drill bit in this set is a jobber length bit, which means it offers a versatile midrange drilling depth that is ideal for a wide variety of applications. The round shank also accommodates most drill chucks, making it an easy and convenient choice for any drilling project. The set comes in a durable gray epoxy-coated steel index case with labeled compartments for easy identification and organization.

At just 5 x 3 x 5/16 inches (H x W x D), it's compact and easy to store when not in use. Whether you're working with ferrous materials or other common drilling materials, these drill bits are up to the task. They're cutting tools that can be used with a range of machines, including handheld portable drills, machining centers, and lathes. Trust in Chicago-Latrobe's years of experience and commitment to quality when you choose this high-speed steel drill bit set. With a wide range of sizes and a durable metal case to protect them, these drill bits are sure to be a valuable addition to any workshop or toolbox.

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Customer Questions & Answers

  • Question: What is the benefit of the black oxide finish on the Chicago Latrobe drill bits?

    Answer: The black oxide finish on these drill bits offers increased corrosion resistance and reduced friction. This protective layer helps to enhance the durability of the bits, allowing them to maintain their sharpness longer compared to bits without such treatment. This is particularly useful for applications that involve metalworking, where heat generation is high. Utilizing these drill bits in your projects ensures efficiency and longevity, making them an ideal choice for professional contractors and DIY enthusiasts alike.
  • Question: What materials can I effectively drill with the Chicago Latrobe drill bit set?

    Answer: The Chicago Latrobe drill bit set can effectively drill through various materials, including wood, plastic, and soft to medium metals like aluminum and brass. The high-speed steel construction makes these bits suitable for a range of applications, providing precision and reliability. Whether you are working on home repairs or professional projects, this versatility allows you to use the same set for multiple tasks without the need for constant replacements.
  • Question: How does the 118-degree conventional point benefit drilling performance?

    Answer: The 118-degree conventional point is designed to provide excellent penetration and reduces the likelihood of walking or wandering during the initial drilling phase. This point geometry is particularly effective for drilling into softer materials and allows for clean and accurate holes. Ideal for carpenter and metalwork projects, this feature ensures that users can achieve precise results while minimizing the chance of damaging the work surface.
  • Question: Why choose a jobber length drill bit set over other types?

    Answer: Jobber length drill bits, like those in the Chicago Latrobe set, strike an excellent balance between length and performance. They offer deeper penetration than shorter bits while maintaining sufficient strength to resist bending and breaking. This makes them perfect for various drilling depths, whether you’re working with thick or thin materials. Choosing a jobber length set enables you to tackle diverse applications without needing multiple specialized tools.
  • Question: What sizes are included in the Chicago Latrobe drill bit set?

    Answer: The Chicago Latrobe 57720 drill bit set includes a comprehensive selection of 20 bits ranging from #80 to #61 sizes. This diverse sizing is beneficial for users needing precise holes for intricate applications, especially in electrical work where small gauge wires are involved. Having these various sizes at hand prepares you for a wide range of projects, from light repair tasks to detailed assembly work.
  • Question: What is the advantage of having a metal case for the drill bits?

    Answer: The included metal case offers robust protection for the drill bits, preventing damage during transportation and storage. This not only enhances the longevity of the bits by keeping them organized and free from exposure to moisture or debris but also makes it easier to find the size you need quickly. The portable and durable design of the case is especially favorable for professionals who need their tools readily accessible while on-the-go.
  • Question: Can I use these drill bits with any drill?

    Answer: Yes, the Chicago Latrobe drill bits are designed to be compatible with a wide range of hand drills and drill presses. The standard shank size ensures a secure fit in virtually any type of drill, making them versatile tools for various drilling tasks. This compatibility means you can seamlessly integrate this set into your existing tool collection, adding value without the need for additional modifications or equipment.
  • Question: What are the typical applications for this drill bit set?

    Answer: This drill bit set is suitable for numerous applications, including drilling pilot holes, clearing out existing holes, and creating access points in a variety of materials. Commonly used in industries such as automotive, construction, and electrical work, these bits excel in both professional settings and for DIY home improvement projects. Their reliability makes them crucial for any toolkit, whether you're a hobbyist or a seasoned professional.
  • Question: How should I maintain the drill bits for optimal performance?

    Answer: To maintain optimal performance of the Chicago Latrobe drill bits, clean them after each use to remove any debris or material residue. Store them in the provided metal case to protect against moisture and physical damage. Regularly inspecting the bits for wear and tear will help ensure they remain sharp and efficient. Using the appropriate cutting speed and pressure during drilling will also extend the lifespan of your bits, ensuring reliability over time.
  • Question: Where can I buy the Chicago Latrobe 57720 drill bit set in Turkmenistan?

    Answer: You can purchase the Chicago Latrobe 57720 150 Series High-Speed Steel Jobber Length Drill Bit Set exclusively at Ubuy in Turkmenistan. Ubuy provides a seamless online shopping experience, ensuring you have access to this high-quality drill bit set effortlessly. By choosing Ubuy, you not only secure this essential tool but also benefit from user-friendly navigation and customer support to assist you with your purchase.

Chicago-Latrobe Jobber Drill Bits Editorial Review

The Chicago Latrobe 57720 drill bit set is a reliable and useful product. It is especially great for small work and can create clean holes in various materials. The set is comprehensive and includes a metal case for easy storage. However, there have been reports of missing drill bits in the set, which can be frustrating for customers.

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Pros

  • Useful for small work
  • Creates clean holes
  • Comprehensive set
  • Includes metal case for storage

Cons

  • Reports of missing drill bits

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