Answering the demand for secure, convenient entry control, this guide highlights top double-sided keyed deadbolts that work with keys on both sides. These picks suit exterior doors needing strong privacy, multi-access spaces, and homes or offices where entry from either side matters. The selections emphasize durability, backset adjustability, and clear access control. See a quick comparison table below to help decide which model fits your door thickness and security needs.
| Product | Key Features | Best For |
|---|---|---|
| Rulart Double keyed Deadbolt Lock – Silver | 2-way adjustable cylinder, solid copper keyhole, anti-pry latch | Homeowners prioritizing anti-tamper design on standard doors |
| SCHLAGE B62N622 Deadbolt – Matte Black | ANSI/BHMA Grade 1, dual-side keys, snap ’n’ stay | Exterior doors needing high-security certification |
| Probrico Satin Nickel Double Cylinder Deadbolt | ANSI Grade 3, 60/70 mm backset, separate keys | Exterior or interior doors requiring robust, double-sided access |
| Richelock IU52 Keypad Double-Sided Lock | Dual-sided keypad, up to 50 codes per side, peep-proof | Gate, door, or residential security with code access |
| Lock Scout Deadbolt with Round Trim | Adjustable backset, round trim, left/right fit | Simple, versatile installation on varying door thickness |
Rulart Double Keyed Deadbolt Lock – Silver, 2-Way Adjustable Cylinder
The Rulart model offers a two-way locking mechanism that can be operated from either side with a separate key. This makes it suitable for doors where privacy is important but access from both sides remains necessary. The solid copper cylinder keyhole and steel latch provide higher resistance to tampering, while the backset is adjustable to fit 35 mm to 50 mm door thicknesses (1-3/8″ to 2″).
Best for: residential doors that require dual-sided entry with an emphasis on security against pry attempts. Better for: doors using backplates at 60 mm or 70 mm. Choose this if you want a straightforward, solid installation with clear two-key control. Caution: the latch plate is not removable, which may affect retrofits on certain door setups.
SCHLAGE B62N622 Deadbolt – Keyed on Two Sides
The SCHLAGE B62N622 offers a high-security option with dual-key entry on exterior and interior sides. It’s built to ANSI/BHMA Grade 1 standards and features a Snap ’n’ Stay design for easier installation. Ideal for exterior doors where a robust, government-grade level of protection is desired. The kit is best for homeowners needing a proven, widely supported deadbolt with straightforward installation.
Best for: exterior doors requiring maximum standard security and easy installation. Better for: users who want a trusted brand with clear compatibility guidelines. Caution: ensure your door’s backset, cross bore, and thickness match the backset options before purchasing.
Probrico Satin Nickel Double Cylinder Deadbolt
Probrico provides a double cylinder deadbolt with independent keys on each side, ensuring that neither side needs to rely on the other to gain entry. It’s ANSI Grade 3, offering a balance of security and durability for daily use. The latch is adjustable to fit 60 mm or 70 mm back plates, and door thickness compatibility spans 35–45 mm. This model is well-suited for exterior doors requiring strong, dual-sided access control.
Best for: doors where security and independent access on both sides matter. Better for: installation on standard pre-drilled doors. Caution: ensure the door thickness aligns with the specified range to avoid fit issues.
Richelock IU52 Double-Sided Keypad Door Lock
This keypad-based, double-sided lock provides identical backlit keypads on both sides, enabling code-based access for both entry points. It supports up to 50 codes per side and includes peep-proof security and a code-sync feature to mirror codes instantly. An auto-lock function (configurable between 2 seconds and 12 hours) enhances security when doors are left unattended.
Best for: gates or doors where keypad access on both sides improves control and convenience. Better for: environments needing quick, code-based entry without carrying keys. Caution: as a keypad system, battery life and maintenance are factors to consider for long-term reliability.
Lock Scout Deadbolt with Round Trim – Keyed on Both Sides
Lock Scout’s round-trim design provides a simple, versatile installation on doors with varying thicknesses. It supports adjustable latch backsets of 60 mm or 70 mm and is suitable for both left- and right-handed doors, with a universal fit for 35–45 mm door thickness. This model emphasizes easy installation and broad compatibility over ultra-high security.
Best for: homeowners seeking a straightforward, flexible retrofit on a wide range of doors. Better for: spaces where ease of setup takes priority over high-security hardware. Caution: it may not offer the same premium security features as Grade 1 devices; verify your door’s security needs before selecting.
Buying Guide: Key Considerations For Double-Sided Deadbolts
- Backset and latch compatibility: Check whether your door thickness is within 35–50 mm and whether 60 mm or 70 mm backplates fit your door’s bore.
- Security level: ANSI/BHMA grades range from 1 (highest) to 3 (standard). For exterior doors with higher risk, prefer Grade 1 or Grade 2 options.
- Key control: Decide if you want independent keys on each side or a single key that works both sides. Double-cylinder designs offer separate keys per side, improving privacy but requiring both keys for entry from either side.
- Installation ease: Some models feature Snap ’n’ Stay or easy-fit designs. For DIY installs, look for pre-drilled doors and clearly described mounting steps.
- Key and code options: If you prefer keypad access, consider models with backlit or peep-proof codes and the ability to store multiple user codes.
- Materials and durability: Solid copper cylinders and steel latches provide stronger resistance to prying and physical attacks. Choose corrosion-resistant finishes (e.g., satin nickel, oil-rubbed bronze) for durability in harsh environments.
- Maintenance: Some devices require periodic key changes or code updates. Consider maintenance needs when selecting a model for long-term use.
Additional Buyer Considerations
- Door type: Ensure the lock is compatible with exterior or interior doors, and match the door’s material and thickness.
- Key management: If multiple keys are used, plan for spare keys and safe storage to prevent lockouts.
- Aesthetic fit: Finishes should complement your door hardware and exterior décor.
Frequently Asked Questions
- What is a double-sided keyed deadbolt? A lock that can be operated with keys on both the interior and exterior sides of a door.
- Are these locks easy to install? Many models are designed for standard pre-drilled doors and offer adjustable backsets for compatibility.
- What grades should I consider for exterior doors? ANSI/BHMA Grade 1 offers higher security, while Grade 3 is suitable for many residential needs; choose based on risk and value of protected space.
- Can I replace a single-cylinder with a double-cylinder model? Yes, but verify bore holes, backset, and thickness to ensure fit, and consider the need for additional keys on both sides.
- Do keypad models require batteries? Yes, keypad systems typically rely on batteries; plan for battery replacement as part of regular maintenance.
- Is a double-sided lock more secure than a standard single-sided lock? Double-sided locks can offer enhanced privacy and control by requiring separate keys on each side, but security also depends on installation quality and overall door/frame integrity.