Extreme Durability
Titanium coating protects the High-Speed Steel blades against heat and wear.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Drill Precision for Every Metalwork Challenge
Unlock professional-grade drilling performance for intricate metal projects with this precision step drill bit set.
- Features four sharp blades for rapid and smooth penetration through tough materials.
- Constructed from Titanium-coated High-Speed Steel (HSS) for exceptional durability.
- Includes 50 various sizes to cover a wide range of drilling diameters and projects.
- Equipped with a 1/4" hex shank and quick-release mechanism for secure handling.
- Intricate flutes ensure efficient chip removal, minimizing clogging and maximizing speed.
Achieve Superior Drilling Performance
Versatile Sizing
With 50 sizes, you have the perfect bit for nearly any metal or hard material.
Fast & Smooth Drilling
Sharp blades ensure fast penetration and a clean finish on your projects.
Secure Connection
The 1/4" hex shank and quick-release system provide a stable grip.
Setup
Drill with Confidence in 3 Steps
Designed for efficiency and precision.
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Select Your Bit
Choose the appropriate size from the set to match your metal or material requirements.
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Secure the Shank
Utilize the 1/4" hex shank and quick-release feature for a stable, efficient connection.
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Drill Precisely
Apply appropriate speed and technique to leverage the sharp blades for fast, clean drilling.
Technical Details
Product Specifications
Key attributes of the professional drill bit set.
- Material
- High-Speed Steel (HSS) with Titanium Coating
- Shank Type
- 1/4" Hex Shank
- Blade Count
- 4 Sharp Blades
- Included Sizes
- 50 Various Diameters
- Mechanism
- Quick-Release System
Why Choose Professional Bits?
Professional vs. Generic Alternatives
The difference quality makes in fabrication.
Feature
Professional Step Drill Set
Standard Cheap Bits
Blade Material
Titanium-Coated HSS
Standard Steel/Mild Alloy
Durability
High Resistance to Heat/Wear
Prone to premature dulling
Size Range
Extensive (50+ Sizes)
Limited, fixed sizes
Chip Management
Intricate Flutes for Easy Chip Removal
Poor chip evacuation
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
Answers to common drilling inquiries.
Are these bits suitable for drilling into aluminum?
Yes, the high-speed steel construction and titanium coating provide excellent performance for many metals, including aluminum, provided you use the correct speed setting.
How do I ensure the bits don't clog?
The set features four intricate flutes specifically designed to evacuate chips quickly, which significantly minimizes clogging during operation.
What is the difference between the 3-piece and 5-piece sets?
The difference lies purely in quantity. The 5-piece set offers greater variety and volume for larger or more diverse projects.
Is the 1/4" hex shank safe for heavy-duty use?
The 1/4" hex shank is designed for secure, efficient use. Ensure you apply appropriate torque based on the material being drilled.
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.