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Accentra (Yale) D122 Double Cylinder Deadbolt – Heavy-Duty Grade 1 Security
The Accentra D122 (formerly Yale D series) is the ultimate choice for high-security applications requiring keyed access from both sides of the door. This Double Cylinder Deadbolt is engineered to provide maximum protection in commercial and institutional settings, particularly for doors with glass panels where reach-through tampering is a concern. By requiring a key to lock or unlock from both the interior and exterior, the Accentra D122 ensures total control over the opening.
Certified to ANSI/BHMA Grade 1 standards—the highest rating for auxiliary locks—this deadbolt is built to withstand extreme physical abuse. It features a 1" solid steel throw with a hardened, free-spinning steel pin insert, specifically designed to thwart sawing and prying attempts. With its professional US26D Satin Chrome finish, it is a staple for Commercial Door Hardware standardization.
Key Performance Features
- Maximum Security Double Cylinder: Keyed operation on both sides provides an essential layer of security for high-risk areas and glass-lite doors.
- Grade 1 Strength: Certified to ANSI/BHMA A156.36 Grade 1 standards, ensuring millions of reliable cycles and superior impact resistance.
- UL Fire-Rated Protection: UL / cUL Listed for use on fire-rated doors, including up to 3 hours for hollow metal doors and 1.5 hours for wood composite doors.
- Saw-Resistant Construction: The 1" solid steel deadbolt contains a hardened steel pin that spins freely to prevent cutting by hacksaws.
- Non-Handed Design: Fully field reversible, allowing for seamless installation on left or right-hand doors without specialized tools.
Technical Specifications
| Feature | Specification |
| Model Number | Accentra D122 |
| Function | Double Cylinder (Key x Key) |
| Backset | 2-3/4" (70mm) Standard (2-3/8" Optional) |
| Deadbolt Throw | 1" (25mm) Solid Steel with Hardened Pin |
| Door Thickness | 1-3/8" (35mm) to 1-3/4" (44mm) Standard |
| Standard Finish | 626 / US26D Satin Chrome |
| Cylinder Finish | Provided in 626 (Satin Chrome) or 606 (Satin Brass) |
| Warranty | 1-Year Mechanical |
Compliance & Installation Standards
| Standard | Rating Detail |
| ANSI/BHMA | A156.36 Grade 1 Certified |
| Fire Listings | UL / cUL Listed (3-Hour Steel / 90-Minute Wood) |
| Door Prep | Fits ANSI/BHMA A156.115 bored-hole specifications |
| Fronts | 2-1/4" x 1" Standard Front (1-1/8" filler included) |
| Strikes | 2-3/4" x 1-1/8" Strike with Metal/Wood Reinforcement |
| Standard Cylinders and Keyways | Schlage C Keyway or Best/Falcon SFIC Format - Less Core |
| Finish with BHMA code | 626 - US26D Satin Chrome |
| Brand | Accentra (formally Yale Security) |
| Deadlock Grade | Grade 1 - Hv Dty |
| Deadbolt Function | Double Cylinder |
| Cylinder Options | Double Cylinder |
| Backset | 2-3/4" Backset |
| Series | Accentra - D100 Series |
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