The growing popularity of black hardware adds a modern touch to exterior doors while maintaining high security. This guide highlights five top black double-cylinder deadbolts, explaining key features, installation notes, and security capabilities. Each option offers two keyed sides for added control and access management, making them suitable for homes, apartments, and small offices. Read on to compare styles, compatibility, and durability to help you choose the right model for your door.
| Product | Brand | Key Feature |
|---|---|---|
| SCHLAGE B62N622 Deadbolt | SCHLAGE | ANSI/BHMA Grade 1 security |
| Double keyed Deadbolt Lock (Rulart) | Rulart | Double-sided keys with anti-pry and adjustable backset |
| Kwikset 985-S.STRKP 980 Double Cylinder | Kwikset | Signature Series, SmartKey-ready |
| Kwikset 159RDT-S.STRKP Milan | Kwikset | SmartKey Security, versatile design |
| Eiqikayo Matte Black Double-Head | Eiqikayo | Anti-kick and anti-pry design |
SCHLAGE B62N622 Deadbolt Review
The SCHLAGE B62N622 is a two-sided keyed deadbolt designed for exterior doors requiring enhanced security. It features a unique Snap ‘n’ Stay installation design to hold the deadbolt in place during mounting, simplifying setup. This model is ANSI/BHMA Grade 1 certified, offering strong resistance to attacks using crowbars, hammers, wrenches, saws, picks, and kick-ins. Prospective buyers should measure backset, cross bore, and door thickness to ensure proper fit. The dual-key operation on both sides allows flexible access control for homeowners and trusted family members or service personnel.
Double Keyed Deadbolt Lock – Rulart
The Rulart double keyed deadbolt provides security with a two-key system—one for each side of the door. It includes a solid copper cylinder and steel latch with anti-pry and anti-collision features. The latch backset is adjustable to accommodate doors from 35 mm to 50 mm thick (1-3/8″ to 2″). It supports back plates of 60 mm (2-3/8″) or 70 mm (2-3/4″). Note that the key profiles are unique per lock, so a single key cannot open multiple locks unless specified as keyed-alike. This model emphasizes robust construction and flexible installation for various door configurations.
Kwikset 985-S.STRKP 980 Double Cylinder
The Kwikset 985-S.STRKP 980 from The Signature Series is a double cylinder keyed entry deadbolt, meaning both sides require a key for locking and unlocking. This model is designed to meet local code considerations for dual-side locking and should be verified for compliance before installation. The product is commonly chosen for its classic appearance in matte black and its compatibility with standard door preparations. Homeowners should ensure the door thickness and bore sizes align with Kwikset specifications to achieve reliable operation and security performance.
Kwikset 159RDT-S.STRKP Milan Double Cylinder
The Kwikset Milan double cylinder deadbolt features SmartKey Security for convenient re-keying and enhanced protection against break-in techniques. It carries Grade 2 ANSI/BHMA certification for durability and resistance to forced entry. The round deadbolt design is reversible for left- or right-hand doors and fits doors ranging from 1-3/8″ to 1-3/4″ thick with a 2-1/8″ cross bore and a 1″ bore diameter. This model is a versatile option for homeowners seeking modern security features with flexible installation options.
Eiqikayo Matte Black Double-Head Deadbolt
The Eiqikayo double-head cylinder deadbolt is built for high-security needs with anti-kick and anti-pry features. Its double-sided key design allows opening only with keys on both sides, providing stronger control against forced entry. Installation is designed for standard doors, with hardware included for straightforward setup. The lock’s high-strength steel construction aims to resist tampering while fitting most residential and small-office doors. Reviewers should confirm door thickness and backset compatibility to ensure proper fit and operation.
Buying Guide: Key Purchase Considerations
When selecting a black double-cylinder deadbolt, consider the following:
- Security certification: Look for ANSI/BHMA ratings (Grade 1 for top-tier security, Grade 2 for everyday use, Grade 3 for basic protection). Higher grades typically indicate stronger construction and resistance to forced entry.
- Cylinder design: Double-cylinder locks require a key on both sides. This is beneficial for security in high-risk areas but can be inconvenient in emergencies. Some models offer SmartKey or other re-keying features for easier maintenance.
- Backset and bore compatibility: Measure backset (distance from edge of door to the bore center) and bore sizes to ensure the new deadbolt fits your door prep without additional modifications.
- Door thickness: Most standard residential doors range from 1-3/8″ to 1-3/4″ thick. Verify the lock’s adjustable backset and screw placements to ensure a snug fit.
- Finish and aesthetics: Matte black is popular for modern exteriors. Ensure the finish complements other hardware and withstands weather exposure.
- Installation considerations: Some units include simpler installation designs or mounting aids. If you’re replacing existing hardware, verify compatibility with your door, bolt position, and strike plates.
- Key management: If you need convenient access control, consider models with re-keying options or keyed-alike capabilities to use the same key across multiple locks.
In summary, the best black double-cylinder deadbolts combine solid security, durable materials, and installation flexibility. Rating standards, backset adjustability, and key management should guide your decision. Always verify door specifications and local building codes before purchase.
Buying Guide: Quick Comparisons
- Security level: If you prioritize top-tier protection, prefer Grade 1 or Grade 2 with anti-pick technologies. For more basic residential use, Grade 3 options are common and reliable.
- Key access: Double-cylinder options secure both sides but require care with emergency access planning. Single-cylinder variants reduce key handling on interior sides but may be less secure on exterior doors.
- Brand reliability: Established brands like SCHLAGE and Kwikset often provide broader compatibility with existing hardware and customer support.
- Installation ease: Look for snap-in design features or clearly labeled backset options to simplify DIY installation.
- Aesthetics: Matte black finishes pair well with modern door designs and other matte hardware for a cohesive look.