
Product details
2-Step Drilling Bit 1/4 to 3/8 in (6 to 10 mm) for Aluminum
This two-step drill bit is designed specifically for drilling precise step holes in aluminum profiles, ensuring clean countersinking and perfect fitting for hardware fasteners.
- Drill bit diameter1/4 to 3/8 in (6 to 10 mm)
- Intended materialAluminum
- Bit type2-Step drilling bit
- ApplicationFurniture assembly & framing

Step drill bit 1/4 to 3/8 in (6 to 10 mm) for aluminum hardware
The 2-step drilling bit creates double-diameter holes in a single pass, making it essential for assembling aluminum frame doors and furniture structures.
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Two-in-one step design: drills both pilot and clearance holes simultaneously from 1/4 to 3/8 in (6 to 10 mm).
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Optimized for aluminum: engineered to cut smoothly through aluminum profiles without burring or slipping.
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Time-saving operation: eliminates the need to switch bits between pre-drilling and countersinking steps.
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Clean hole finish: delivers crisp margins and accurate depth transitions for concealed screw heads.
Where to use this 2-step drilling bit
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Aluminum framesCabinet door profiling
Prepares precise stepped mounting holes for connecting corners and corner brackets.
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Furniture makingHardware installations
Ensures smooth fitment of standard fasteners in aluminum showcase and frame structures.
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RenovationOn-site drilling
Speeds up custom fitting and assembly work on modern metal-framed cabinet systems.
Using the step drill bit
Suitable for standard power drills and drill presses.-
1Secure the bit
Insert the bit shank into your drill chuck and tighten firmly to prevent slipping.
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2Mark and align
Mark the center point on the aluminum profile and align the tip of the bit perpendicular to the surface.
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3Drill the stepped hole
Apply steady pressure until both step stages pass through to achieve a complete 1/4 to 3/8 in (6 to 10 mm) profile bore.
- 5-10 business daysEstimated delivery time
- Free shippingon orders $100+
- 31 daysReturns & exchanges
- PayPal · Shop PayCredit & debit cards
Technical data
| Attribute | Value |
|---|---|
EAN |
5060857454642 |
SKU |
2SDB610 |
Product safety information
Furnica LTD
40-44 Uxbridge Road,
London W5 2BS, United Kingdom
office@furnica.co.uk
FAQ
What furniture hardware do you offer?
What furniture hardware do you offer?
We offer an extensive range of furniture hardware and accessories, including drawer systems, slides, hinges, lift-up fittings, furniture handles and smart solutions for wardrobes and kitchen cabinets.
What if I order the wrong hardware?
What if I order the wrong hardware?
If an item does not fit or does not meet your expectations, you can simply return it to us within 31 days.
How fast will my order be delivered?
How fast will my order be delivered?
Thanks to our warehouse locations in Poland, Germany and the UK, we guarantee fast handling and reliable, tracked delivery to the United States within 5-10 business days.
Can I get help choosing the right hardware?
Can I get help choosing the right hardware?
Our experienced technical support team is happy to help you choose the right hardware and usually answers within 24 hours.
Why are your prices so attractive?
Why are your prices so attractive?
Because we source about 85 percent of our range directly from the manufacturer, we can offer high-quality furniture hardware at highly competitive prices.