Countersink Drill Bit Set
Lucins
Countersink Drill Bit Set
Perfect screw holes that make every connection unbeatable!
Are you tired of wobbly screws and messy drill holes? With the countersink drill bit set, you'll achieve flawless countersinks every time, firmly and permanently securing your screws – all without hassle and mess.
That's why DIYers swear by quality that never fades
✓ Robust and durable: Made from M2 high-speed steel and high-carbon steel, this set offers you extreme sharpness and endurance – even for the toughest jobs.
✓ Easily adjustable drilling depths: With the included hex key, you can quickly adjust the pilot drills – for always perfect, precise countersinks.
✓ Precise 82-degree chamfer angle: Three sharp cutting edges ensure clean, splinter-free drill holes – for a secure and attractive screw fit.
✓ Universally applicable & securely gripped: The 6.35 mm (1/4 inch) hex shank with anti-slip groove fits all common power tools and performs excellently in wood, plastic, and more. Every material will become your new favorite playground.
Frequently asked questions:
Does the set really work with every wood and plastic?
Yes! Whether hard or soft wood, plastic, or other materials – with a small adjustment for softwood, you will always achieve sharp, clean, and splinter-free holes.
How do I set the perfect drilling depth?
Super simple: Use the hex key to turn the pilot drill to your desired depth – this way, your screws will definitely sit snug and precise.
Does the shank really fit in my cordless drill?
The 6.35 mm (1/4 inch) hex shank with groove is a favorite among our professionals – compatible with most standard power tools and sits firmly without slipping.
Product details:
5 powerful sizes: 5, 6, 8, 10, and 12 – the optimal fit for every screw
Premium materials: Pilot drills made from M2 HSS and countersinks from high-carbon steel for maximum durability
Universal shank: Secure 6.35 mm (1/4 inch) hex shank ensures slip-free and powerful work
Perfect angle: 82-degree chamfer for precise, clean drill holes without splinters
Delivery contents:
- 5 countersink drill bits in sizes 5, 6, 8, 10, and 12
- 1 practical hex key for quick and precise depth adjustment
Shipping
Free standard shipping on every order to U.S. addresses, with tracking included.
- Orders are processed within 1–3 business days (cut-off: 5:00 PM ET, Monday to Friday)
- Transit takes 7–14 business days, for a total estimated delivery of 8–17 business days
- We ship with trusted carriers, including USPS and FedEx
- Sales tax is calculated at checkout, and any import duties are covered by us
- Orders can be canceled within 12 hours of purchase
Read our full Shipping Policy.
Returns
Not quite right? You have 30 days from delivery to send it back.
- Email support@lucins.com with your order number to start a return
- Items must be unused, unworn and in their original packaging with all parts included
- Defective, damaged or incorrect items are always accepted, at no cost to you
- Return shipping is paid by you for change-of-mind returns
- We never charge restocking fees
- Approved refunds are processed within 7 business days to your original payment method
Read our full Return & Refund Policy.
Contact Us
Questions about this product or your order? We’re happy to help.
- Email: support@lucins.com
- Contact form: Contact page (link: /pages/contact)
- Monday to Friday: 9:00 AM – 5:30 PM ET
- Saturday and Sunday: 10:00 AM – 3:00 PM ET
We aim to reply to every message within 24 hours.