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HIDOTOL 13 PCS Blue Coating Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16-1/4 for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood
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HIDOTOL 13 PCS Blue Coating Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16-1/4 for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood
Premium High Speed Steel M35 (Cobalt 5%) provide extended tool life compared to ordinary drill bits when drilling hard materials.
HIDOTOL 13 PCS Blue Coating Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16"-1/4" for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood
Item #: 39435853

HIDOTOL 13 PCS Blue Coating Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16"-1/4" for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood

89% of respondents would recommend this to a friend

Item #: 39435853

ZMW 641

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Premium High Speed Steel M35 (Cobalt 5%) provide extended tool life compared to ordinary drill bits when drilling hard materials.
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What Stands Out

High-Speed Steel
Crafted from M35 high-speed steel, this drill bit set ensures superior durability and longevity, making it perfect for drilling through tough materials like hardened metal and stainless steel.
Versatile Application
This 15-piece drill bit set is designed for diverse materials including plastic, wood, and cast iron, catering to various DIY and professional projects, ensuring versatility in use.
Extra Bits Included
Enjoy added value with 6 free pieces in this set, providing you with an extensive range of bits to tackle different tasks, delivering exceptional quality at an affordable price.

Product Details

Shop the best selection of HIDOTOL Cobalt Drill Bit Set on Ubuy Zambia. Made with M35 High Speed Steel, perfect for drilling hardened metal, stainless steel, cast iron, plastic, and wood.
Brand NameHIDOTOL
ModelLZ-COBALT-13
Set Name13 PCS
Unit Count13 Count
Number of Packs1
ManufacturerHIDOTOL
Part NumberLZ-COBALT-13
Item Dimensions5.2 x 3.11 x 0.55 inches (13.2 x 7.9 x 1.4 cm)
Material TypeCobalt
Finish TypesBlue Coating
Shank TypeRound
Surface RecommendationMetal, Plastic, Stainless Steel, Wood
Cutting Angle String135 degrees
Tool Flute TypeSpiral
Number of Flutes2
MaterialCobalt
Finish TypeBlue Coating
BrandHIDOTOL

Who Should Buy?

Suitable For
  • Metal Workers

    Ideal for professionals who work with hardened metals requiring durable and precise drilling capabilities.

  • DIY Enthusiasts

    Perfect for hobbyists needing versatile bits for various materials, including wood, plastic, and metal.

  • Industrial Applications

    Great for industries involved in manufacturing or construction, needing reliable and high-performance drill bits.

Not Suitable For
  • Casual Users

    Not suitable for occasional users who rarely drill and may not need a complete set of diverse bits.

Product Description

HIDOTOL 13 PCS Blue Coating Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16"-1/4" for Hardened Metal, Stainless Steel, Cast Iron, Plastic and Wood

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What materials can I use the 13 PCS Blue Coating Cobalt Drill Bit Set on?

    Answer: The 13 PCS Blue Coating Cobalt Drill Bit Set is specifically designed for drilling through a variety of tough materials including hardened metal, stainless steel, cast iron, plastic, and wood. The cobalt coating enhances durability and reduces friction, allowing for clean and precise drilling even in the hardest surfaces. This makes these bits ideal for both professional and DIY projects where high-performance is essential.
  • Question: How does the cobalt coating improve drill performance?

    Answer: The cobalt coating on these drill bits significantly increases their hardness, enabling them to withstand higher temperatures and wear. This ensures longer-lasting sharpness and reduces the risk of bit breakage during tough drilling tasks. By minimizing heat buildup, the bits can maintain strength and stability even when drilling into demanding materials like stainless steel and cast iron, making them a preferred choice in heavy-duty applications.
  • Question: What sizes are included in the 13 PCS Drill Bit Set?

    Answer: The 13 PCS Blue Coating Cobalt Drill Bit Set includes a range of sizes from 1/16 inch to 1/4 inch. This variety allows users to select the appropriate drill bit for different hole diameters, accommodating various drilling tasks and project requirements. Having a set with multiple sizes enhances versatility, enabling users to tackle everything from detailed work on small projects to larger holes needed for structural applications.
  • Question: Can I use these drill bits for woodworking projects?

    Answer: Yes, you can use the 13 PCS Blue Coating Cobalt Drill Bit Set for woodworking projects, along with other harder materials. While these bits are optimized for metal materials, their sharp, precise cutting edges make them effective for various types of wood as well. Whether you're constructing furniture or simply drilling a pilot hole, these drill bits provide clean results and reduce the risk of splintering in wood.
  • Question: Are these drill bits suitable for high-speed drilling?

    Answer: Absolutely! The cobalt drill bits are engineered for high-speed applications, thanks to their robust construction and design. The blue coating helps in reducing friction while facilitating effective heat dissipation. This makes them capable of handling rapid drilling into tough materials without compromising on accuracy or integrity, making them highly suitable for industrial uses and powered drills.
  • Question: What type of drill should I use with these bits?

    Answer: The 13 PCS Blue Coating Cobalt Drill Bit Set is compatible with most standard drill types, including corded and cordless drills. It is essential to use a drill capable of delivering sufficient RPM and torque, especially when working with harder materials like stainless steel. Ensuring the right speed and pressure will maximize the life of the drill bits and yield the best outcomes for your projects.
  • Question: What is the best way to maintain these drill bits?

    Answer: To maintain the longevity of your cobalt drill bits, it is advisable to keep them clean and free from debris after use. Store them in a protective case to prevent physical damage and ensure they are not exposed to moisture, which can lead to rust. Regularly inspect your bits for any signs of wear, and use the correct bit for each application to avoid premature dulling, which will help preserve their cutting efficiency.
  • Question: Can I use these drill bits for metalworking applications?

    Answer: Yes, the 13 PCS Blue Coating Cobalt Drill Bit Set is ideal for a wide range of metalworking applications. Thanks to their cobalt composition and precision engineering, they excel in drilling through tough metals such as stainless steel, aluminum, and cast iron. Whether you're working on a machine shop project or home repair, these bits will maintain their sharpness and provide consistent performance, ensuring clean and precise holes.
  • Question: What makes M35 HSS twist drill bits a better choice?

    Answer: M35 HSS twist drill bits, like those in the 13 PCS set, offer superior hardening compared to regular HSS bits due to the addition of cobalt. This results in higher heat resistance and enhanced hardness, allowing them to hold their edge longer while drilling into tougher materials. The M35 alloy is particularly advantageous when precision and reliability are crucial, making these drill bits a preferred option for both DIY enthusiasts and professionals.
  • Question: Where can I buy the 13 PCS Blue Coating Cobalt Drill Bit Set in Zambia?

    Answer: You can buy the 13 PCS Blue Coating Cobalt Drill Bit Set at Ubuy in Zambia. Ubuy offers a convenient shopping experience with a wide range of tools, including high-quality drilling solutions. Its platform allows for easy access to product specifications and customer reviews, helping you make informed decisions about your purchase.

HIDOTOL Jobber Drill Bits Editorial Review

HIDOTOL 13 PCS Blue Coating Cobalt Drill Bit Set M35 HSS Twist Drill Bits 1/16"-1/4" is designed for various materials such as hardened metal, stainless steel, cast iron, plastic, and wood. The cobalt material provides durability and resistance, but users have noted some brittleness, leading to breakage when drilling through metal. The drill bits feature a 135-degree cutting angle for efficient penetration, suitable for DIY projects or home use. While many find them sufficient for light tasks, some experience difficulties with tougher materials, which has led to mixed reviews about their overall quality.

Customer Reviews & Ratings

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Pros

  • Durable cobalt material for extended use
  • Suitable for various materials including metals
  • 135-degree cutting angle enhances performance
  • Compact size makes storage easy
  • Good for home improvement projects

Cons

  • Brittleness may lead to breakage on tougher materials

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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ZMW 641

Order now and get it around Monday, September 28

QTY:

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Fastest cross-border delivery

Features & Benefits

  • High Speed Steel M35 (Cobalt 5%)
  • 135° split point with round straight shank for precise drilling
  • Fully Ground twist design for faster particle clearance and cooler drilling performance
  • Suitable for hard metals like Stainless Steel, Cast Iron, Titanium Alloy, and more

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