If you’re in need of a reliable set of drill bits that can tackle even the toughest materials, look no further than the 5-Piece 9/32″ M35 Cobalt Drill Bits. This set is designed for precision drilling on hard metals like stainless steel and cast iron, as well as softer materials like wood and plastic. Made from industry-grade M35 High Speed Steel with 5% cobalt, these drill bits are built to last. With a 135° standard industrial double rear edge angle and a double spiral cutting slot design, these bits offer excellent cutting performance and improved drilling efficiency. Plus, their reduced shank design makes them compatible with all drill presses and most power tools on the market. Say goodbye to slippage during operation, thanks to the unique Tri-flatted shank end that locks onto a 3-jaw chuck more tightly and securely. With its impressive features and durable construction, this drill bit set is a must-have for any DIY enthusiast or professional.

Why Consider This Product?
When it comes to drilling through hard materials like stainless steel, cast iron, or even wood and plastic, having the right tools is essential. That’s why you should consider the 5-Piece 9/32″ M35 Cobalt Drill Bits, Jobber Length Twist Drill Bit Set. This drill bit set is designed specifically for precision drilling in hard metals and other materials, making it an excellent choice for any DIY enthusiast or professional.
The M35 High Speed Steel used in these drill bits is an industry-grade material known for its exceptional strength and durability. These bits are specifically made with 5% cobalt, which gives them even more strength and resilience. The result is a set of drill bits that can withstand the toughest drilling tasks and provide a longer service life compared to ordinary drill bits.
Additionally, the 135° standard industrial double rear edge angle and self-centering feature of these drill bits prevent walk-off and ensure faster chip removal. The double spiral cutting slot design allows for a larger cutting space, improving drilling efficiency. Whether you’re drilling through metal, wood, or plastic, these features make the drilling process smoother and more efficient.
Features and Benefits
High-Quality Material
The 5-Piece 9/32″ M35 Cobalt Drill Bits are made of industry-grade M35 High Speed Steel, which contains 5% cobalt. This material ensures excellent strength, durability, and overall performance. The bits are crafted with precision grinding, resulting in a smooth surface and sharp edges that can handle the toughest drilling tasks.
Precision Drilling
These drill bits are specifically designed for precision drilling on hard materials like stainless steel, cast iron, copper, aluminum, and more. The 135° double rear edge angle and self-centering feature prevent walk-off during drilling, ensuring precise and accurate holes. Whether you’re working on a DIY project or a professional job, these drill bits will provide the precision you need.
Versatile Use
Not only are these drill bits perfect for drilling through hard metals, but they are also suitable for plastics and wood. This versatility makes them an excellent choice for various projects, eliminating the need for multiple drill bits. Whether you’re working on metal fabrication, woodworking, or general repairs, this drill bit set has got you covered.
Convenient Shank Design
The drill bits feature a more than 1/2 inch reduced shank, making them compatible with all drill presses and most power tools in the market. The unique tri-flatted shank end design ensures a tight and secure fit onto a 3-jaw chuck, eliminating slippage during operation. This innovative design provides added safety and confidence while drilling.
Product Quality
The 5-Piece 9/32″ M35 Cobalt Drill Bits are crafted with precision and attention to detail, ensuring high-quality results. Our drill bits are made from industry-grade M35 High Speed Steel, known for its exceptional strength and durability. The 5% cobalt content further enhances the drill bits’ toughness, making them perfect for drilling through hard metals. Additionally, the smooth surface and sharp edges of these bits contribute to their overall quality and performance.
What It’s Used For
Metal Drilling
The main and most important use of the 5-Piece 9/32″ M35 Cobalt Drill Bits is drilling through hard metals. Whether you’re installing metal fixtures, building metal structures, or working on metal fabrication, these drill bits will provide the precision and reliability you need. Drilling through stainless steel, cast iron, copper, and aluminum is made easier and more efficient with these high-quality bits.
Woodworking
In addition to metal drilling, these drill bits are also perfect for woodworking projects. Whether you’re crafting furniture, building cabinets, or working on a DIY project, these bits will deliver smooth and clean holes. The precision drilling and durability of these bits will ensure that your woodworking projects are done with precision and ease.
Plastic Drilling
The 5-Piece 9/32″ M35 Cobalt Drill Bits are not limited to metals and wood; they are also suitable for drilling through plastics. Whether you’re working with PVC pipes, acrylic sheets, or other plastic materials, these drill bits will provide the necessary precision and efficiency. No more struggling with dull, ineffective drill bits – these will get the job done.
General Use
Apart from their specific uses, these drill bits are versatile enough to handle various drilling needs. Whether you’re a professional contractor or a DIY enthusiast, having a set of high-quality drill bits like these is always beneficial. From general repairs to home improvement projects, these bits will be your reliable companion.

Product Specifications
| Product Name | 5-Piece 9/32″ M35 Cobalt Drill Bits |
|---|---|
| Dimension | 9/32″ |
| Material | M35 High-Speed Steel with 5% Cobalt |
| Number of Pieces | 5 |
| Shank Design | More than 1/2 Inch Reduced Shank |
| Shank Compatibility | Drill Presses and Most Power Tools |
| Box Included | Yes, for Easy Storage |
Who Needs This
The 5-Piece 9/32″ M35 Cobalt Drill Bits are suitable for anyone who works with hard materials, such as stainless steel, cast iron, or wood and plastic. Whether you’re a professional contractor, a woodworker, or a DIY enthusiast, having this drill bit set in your toolbox is a wise investment. From contractors building metal structures to hobbyists crafting intricate woodworking projects, these drill bits will meet your drilling needs with precision and efficiency.

Pros and Cons
Pros:
- Made of industry-grade M35 High-Speed Steel with 5% cobalt for exceptional strength and durability.
- Precision drilling with the 135° double rear edge angle and self-centering feature.
- Versatile use for drilling through hard metals, plastics, and wood.
- Convenient more than 1/2 inch reduced shank design compatible with various drill presses and power tools.
- Durable and long-lasting performance.
- Convenient plastic storage case for easy organization and portability.
Cons:
- Limited to a specific drill bit size (9/32″).
- Not suitable for drilling through extremely hard materials such as hardened steel.
FAQ’s
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What is the shank size of these drill bits? The shank of the 5-Piece 9/32″ M35 Cobalt Drill Bits is more than 1/2 inch reduced. This size ensures compatibility with all drill presses and most power tools in the market.
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Can these drill bits be used on hardwood? Yes, these drill bits are suitable for drilling through wood, including hardwoods. The precision and sharpness of the bits make drilling through hardwoods easier and more efficient.
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Are these drill bits suitable for drilling through concrete or stone? No, these drill bits are not designed for drilling through concrete or stone. They are specifically made for drilling through hard metals, plastics, and wood.
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Can these drill bits be resharpened? Yes, these drill bits can be resharpened if necessary. However, it is important to follow proper sharpening techniques to preserve their original performance.

What Customers Are Saying
“I recently purchased the 5-Piece 9/32″ M35 Cobalt Drill Bits for a metalworking project, and I must say, I’m impressed. These bits handled drilling through stainless steel with ease, producing clean and precise holes. The reduced shank design also gave me a secure fit on my drill press. Highly recommend!” – John D.
“I’m a hobbyist woodworker, and these drill bits have been a game changer for me. They effortlessly drill through hardwoods, leaving clean and precise holes. The durability of these bits is outstanding, as I’ve used them extensively, and they still perform like new. Worth every penny!” – Sarah W.
Overall Value
The 5-Piece 9/32″ M35 Cobalt Drill Bits offer excellent value for both professional contractors and DIY enthusiasts. The high-quality material, precision drilling features, and versatile use make this drill bit set a reliable choice for various projects. With durability and longevity in mind, these bits will provide exceptional performance and value for your drilling needs.

Tips and Tricks For Best Results
- Always use lubrication while drilling through hard metals to prolong the life of the drill bits and achieve better results.
- Gradually increase the drilling speed when starting to penetrate hard materials to prevent unnecessary stress on the bits.
- Secure the workpiece properly before drilling to ensure stability and precision.
- Regularly clean and inspect the drill bits for any signs of damage or wear.
- Follow the manufacturer’s instructions for proper use, maintenance, and storage of the drill bits.
Final Thoughts
Product Summary
The 5-Piece 9/32″ M35 Cobalt Drill Bits are a must-have for anyone working with hard metals, plastics, or wood. Made from industry-grade M35 High-Speed Steel with 5% cobalt, these drill bits offer exceptional strength, durability, and performance. The precision drilling features, versatile use, and convenient shank design make them suitable for a wide range of projects. The bits come in a plastic storage case for easy organization and portability.
Final Recommendation
Whether you’re a professional contractor or a DIY enthusiast, the 5-Piece 9/32″ M35 Cobalt Drill Bits will exceed your expectations. Their high-quality material, precision drilling features, and durability make them worth every penny. Invest in this drill bit set today and experience the difference it can make in your drilling projects.



