The Cobalt Drill Bit Set Built for Precision, Durability, and Everyday Repair Jobs
Drill Cleaner, Faster, and More Accurately!
M35 Cobalt High-Speed Steel with 5% cobalt content
135° Split Point for precise starts and reduced walking
Fully ground spiral groove for faster chip removal
Portable storage bag included for easy organization
"Cleaner, Faster, More Accurate Drilling" — A Practical Upgrade for Everyday Workshops
Customers have shared positive reviews
"I used these bits on steel and aluminum, and the drilling felt much smoother than my old set. The 135° tip really helps keep the bit from wandering."
"The size range is practical for everyday repair jobs. I like that the set comes with a storage bag, so the bits don’t get scattered around my toolbox."
Problem: Ordinary bits can walk across the surface before they bite.
Precision Start: The 135-degree split point helps prevent walking for a more accurate start without needing a center punch.
Problem: Friction and heat can slow down drilling and make clean work harder.
Cooler Drilling: The fully ground spiral groove helps reduce friction and heat for faster, smoother performance.
Problem: Low-grade bits may wear quickly on tougher materials.
Durable Build: M35 cobalt high-speed steel with 5% cobalt helps improve wear resistance and long-lasting performance.
Problem: One bit size rarely fits every drilling task.
Practical Size Range: This 6-piece combo set includes commonly used sizes for everyday drilling needs across multiple materials.
The 135° split point with straight shank helps reduce bit walking, making it easier to start holes cleanly and accurately.
Made with M35 cobalt high-speed steel and 5% cobalt content, this set is designed for improved wear resistance and longer-lasting performance.
The fully ground spiral groove helps move material away while reducing friction and heat, supporting smoother and more efficient drilling.
Suitable for drilling or cutting into stainless steel, steel, cast iron, wood, aluminum alloy, soft metals, plastic, masonry, and more.
| Features | Standard Drill Bits | Our Cobalt Drill Bit Set |
|---|---|---|
| Material Quality |  Standard HSS or lower-grade material |  M35 cobalt high-speed steel with 5% cobalt |
| Drilling Accuracy | May slip or require extra marking | 135° split point helps prevent walking |
| Heat Control | Can overheat more easily | Fully ground spiral groove reduces friction and heat |
| Size Options | Limited or less practical size range | 6 commonly used sizes in one set |
| Storage Convenience | Bits may be loose or harder to organize | Portable plastic storage bag included |
| Specification | Details |
|---|---|
| Product Name | Cobalt Drill Bit Set |
| Set Includes | 6 commonly used drill bit sizes |
| Material | High-speed steel with M35 cobalt construction and 5% cobalt content |
| Design | Fully ground spiral groove, 135-degree split point, straight shank |
| Compatibility | Fits the majority of power drills currently on the market |
| Storage | Portable plastic storage bag included |
Here’s Why People Trust the Cobalt Drill Bit Set
Designed for everyday drilling tasks, this compact kit combines durability, precision, and convenient storage.
"These are sharp, efficient, and easy to control. I mainly use them for wood and soft metal projects, and they have made drilling much cleaner."
"I needed something more reliable for small metal and wood jobs. This set feels sharp, starts cleanly, and is easy to keep organized after use."
"The storage bag is a simple but useful touch. The bits fit my regular power drill and make it easier to switch sizes for different repair tasks."
It is suitable for drilling or cutting on materials such as stainless steel, steel, cast iron, wood, aluminum alloy, soft metals, plastic, glass, masonry, tiles, bricks, and more.
Yes. The product information states that the set fits the majority of power drills currently on the market.
The bits are made with M35 cobalt high-speed steel and contain 5% cobalt, which helps improve wear resistance and durability.
No. The 135-degree split point is designed to help prevent walking and allows more precise, faster drilling without needing a center punch.
