Superior Durability
High-speed steel and cobalt coating provide excellent heat resistance for extended tool life.
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Why customers love it
Achieve perfect, clean holes every time
Unlock superior drilling performance with our HSS Cobalt Step Drill Bit Set, engineered for precision in tough materials.
- Constructed from high-speed steel with a cobalt coating for maximum heat resistance.
- Features an 118° split-point tip for accurate, self-centering drilling.
- Dual-flute design efficiently clears chips, ensuring faster and smoother drilling.
- Offers multiple step sizes to drill various diameters without changing bits.
- Ideal for professional and DIY projects involving aluminum, brass, steel, and plastic.
Precision Drilling, Simplified
Accurate Guidance
The 118° split-point ensures the bit self-centers, preventing walking on smooth surfaces.
Faster Performance
Dual-flute design reduces friction, allowing for faster drilling speeds.
Ultimate Versatility
Multiple step sizes mean you can tackle a wide range of hole diameters in one set.
Setup
Drill with Confidence in 3 Steps
Achieve clean, precise holes quickly and efficiently.
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Select Your Material
Determine if your project involves metal, brass, aluminum, or plastic sheeting.
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Choose the Right Bit
Select the appropriate step size from the set to match your required hole diameter.
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Drill Precisely
Use the split-point tip to achieve clean, accurate holes with minimal effort.
Technical Details
Key Specifications
What makes this drill bit set superior?
- Construction Material
- High-Speed Steel (HSS) with Cobalt Coating
- Tip Design
- 118° Split-Point Tip
- Drilling Benefit
- Reduced Friction and Chip Clearing
- Application Suitability
- Aluminum, Copper, Brass, Thin Steel, Plastic Sheeting
Why Choose This Set?
Drill Bits vs. Step Drill Sets
The difference between general bits and specialized precision tools.
Feature
HSS Cobalt Step Drill Set
Standard Drill Bits
Precision Mechanism
118° Split-Point for self-centering.
Standard geometry, prone to bit walking.
Material Handling
Cobalt coating resists heat and extends tool life.
Standard steel may overheat or dull quickly.
Versatility
Multiple step sizes in one package.
Requires purchasing multiple individual bits for different sizes.
Chip Management
Dual-flute design clears chips effectively.
Higher friction leads to more chipping.
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently Asked Questions
Get answers to your common drilling questions.
Can I use this set on plastic?
Yes, the drill bits are designed to handle various materials including plastic sheeting for general DIY and light construction projects.
How does the split-point tip help?
The 118° split-point ensures the bit self-centers, which is crucial for achieving accurate and clean holes without excessive force.
Is this set suitable for professional use?
Absolutely. It is ideal for professionals in automotive repairs, HVAC installations, and general home improvement where clean holes are required.
What is the main advantage over regular bits?
The primary advantage is the combination of superior heat resistance from the cobalt coating and the convenience of having multiple sizes in a single, organized set.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Items should be unused and in original packaging where possible. Contact us before sending anything back.