
Name: Titanium-plated spiral groove step drill 4PC set
Product size, 15 * 14 * 4cm
Material: High-speed steel 4241 (suitable for workpieces with a hardness below 25 °, such as carbon steel)
specification:
4-32mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm) 6.35mm handle
4-20mm (4, 6, 8, 10, 12, 14, 16, 18, 20mm) 6.35mm handle
4-12mm (4, 5, 6, 7, 8, 9, 10, 11, 12) 6.35mm handle
3-12mm (3,4,5,6,7,8,9,10,12) 6.35mm handle
Packaging: aluminum box
Cutting materials: thin iron plate, aluminum material, insulation plate, PVC plate, wood thickness within 5mm. A single drill can be used to make holes of various specifications.
FAQ
We’re excited to get your order out to you as soon as possible! Here’s what to expect:
- Order Prep: We’ll prepare and ship your order in 1–3 business days.
- Shipping Time: Most orders arrive in 7–14 days, depending on your location. (Remote areas like Alaska or Guam may take 30–45 days.)
- Tracking: As soon as we ship your package, we’ll email you a tracking link so you can follow its journey.
If you have any questions, feel free to email us at info@diylife-today.com. We appreciate your patience and can’t wait for you to enjoy your purchase!
We offer a 30-day return window starting from the day you receive your order. If you’re not satisfied, simply email us at info@diylife-today.com before sending anything back. Items must be in original, unused condition, and you’ll be responsible for return shipping costs. If your item arrives damaged or defective, contact us within 3 days for an exchange. For full details, please see our Return & Exchange Policy.