Medeco Maxum Commercial Single Cylinder 6-Pinned Deadbolt, DL Keyway

Medeco³ Maxum® Deadbolt – Grade 1 High-Security UL437 Certified Deadbolt Lock

The Medeco³ Maxum® Deadbolt sets the industry benchmark for strength, resistance, and advanced key control. Engineered to exceed ANSI/BHMA Grade 1 standards, this commercial deadbolt is a top choice for high-security applications in both residential and commercial settings. Whether you need protection against physical attacks or key duplication, the Medeco 4 Maxum deadbolt delivers unmatched performance.

Unmatched Strength & Design

The Medeco Maxum® deadbolt lock is a fortress in your hand. With solid-brass construction, UL437 certification, and Grade 1 performance, it provides exceptional resistance to drilling, prying, picking, and bumping. Available in single-cylinder, double-cylinder, and captive thumbturn configurations, the Maxum offers flexibility and premium security in one powerful package.

• Single-cylinder version: standard key on the outside, thumbturn on the inside

• Double-cylinder: keyed access from both sides

• Captive thumbturn: converts to a double-cylinder when unoccupied, restoring security while enabling quick egress during use

Key Control & Security Features

• Medeco 4 Maxum technology offers patent-pending key control, restricting unauthorized key duplication

• Protection against 3D printing: movable key element prevents replication through 3D printing

• Bump & pick resistance: M4 cylinder includes side pins, shuttle lift pin, and sidebar engagement—no key turn unless all elements are precisely aligned

• Drill-resistant pins placed strategically to deter forced attacks

Master Keying Capabilities

• Can be integrated into large-scale master key systems, including M4, M4 BiLevel*, and M4 CLIQ* cylinders

Applications

Trusted for securing:

• Office buildings

• Hospitals

• Schools

• Apartments

• Retail outlets

• Restaurants

• High-end residential doors

Technical Specifications

• Grade 1 deadbolt – ANSI/BHMA A156.36

• UL437 deadbolt – listed for high security

• Fits door thickness: 1-3/8” to 2-1/2”

• Crossbore: 2-1/8”, Edge bore: 1” (ANSI A115.13 prep)

Available Finishes

Choose from over a dozen finishes to match any décor:

• Bright Brass (05), Satin Brass (06), Antique Brass (09)

• Satin Brass Blackened (10), Bright Bronze (11), Satin Bronze (12)

• Oil Rubbed Bronze (13), Bright Nickel (18), Satin Nickel (19)

• Antique Nickel (20), Black (22), Dark Bronze (24)

• Bright Chrome (25), Satin Chrome (26)

Downloads:

• Maxum Deadbolt Brochure
• Maxum Deadbolt Template
• Maxum Deadbolt Instructions