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Medeco 11C63 Maxum Commercial Double Cylinder Deadbolt — 6-Pinned, DL Keyway, Captive Key, M4 High Security
The Medeco 11C63 Maxum Commercial Double Cylinder Deadbolt delivers uncompromising high-security performance for demanding commercial and institutional applications. Built with solid brass construction and drill-resistant pins, this ANSI/BHMA A156.36 Grade 1 and UL 437 Listed deadbolt fits doors 1-3/8" to 2-1/2" thick and requires a 2-1/8" crossbore and 1" edge bore (ANSI A115.13). Powered by Medeco 4 (M4) cylinder technology with a 6-pinned DL keyway and captive key configuration, it provides robust protection against forced entry, picking, bumping, and unauthorized key duplication.
Key Features
- Door Thickness Compatibility: Fits doors 1-3/8" to 2-1/2" thick, accommodating a wide range of commercial and institutional door constructions.
- Bore Preparation Requirements: Requires a 2-1/8" crossbore and 1" edge bore per ANSI A115.13 for precise, code-compliant installation.
- Solid Brass Construction: Solid brass body with strategically placed drill-resistant pins provides exceptional resistance to physical attack and forced entry.
- Medeco 4 (M4) Cylinder Technology: Features patent-pending key control to prevent unauthorized key duplication, movable key elements to resist 3D printing, and sidebars with shuttle lift pin mechanisms to resist bumping and picking.
- Double Cylinder with Captive Key: Double cylinder deadbolt configuration with captive key option adds interior key control; captive thumbturn allows fast conversion between single and double-cylinder functionality.
- 6-Pinned DL Keyway: Six-pin cylinder with DL keyway delivers an expanded key combination matrix for enhanced key control in master key systems.
- Master Key System Compatibility: Compatible with M4, M4 BiLevel, and M4 CLIQ master key systems for flexible, scalable access control across facilities.
- Pick-Proof and Drill-Resistant: Virtually pick-proof and drill-resistant design engineered to defeat covert attack methods including picking, bumping, and drilling.
Certifications & Compliance
- ANSI/BHMA A156.36 Grade 1
- UL 437 Listed for High-Security Applications
Technical Specifications
- Series: Maxum® Commercial Deadbolt
- Cylinder Technology: Medeco 4 (M4)
- Pinning: 6-Pin
- Keyway: DL Keyway
- Cylinder Format: Fixed Cylinder
- Certification: UL 437 Listed; ANSI/BHMA A156.36 Grade 1 (M4)
- Door Thickness: Fits doors 1-3/8" to 2-1/2" thick
- Door Prep: Standard 2-1/8" crossbore, 1" edge bore (ANSI/BHMA A115.13)
- Construction: Solid-brass cylinder construction with hardened steel inserts
- Warranty: 2-year manufacturer's warranty
Typical Applications
- Commercial Office Buildings
- Healthcare Institutions and Hospitals
- Educational Facilities and Schools
- Retail Establishments and Restaurants
- Apartments and Condominiums
- Government and Municipal Buildings
- Any Application Requiring High-Security, Tamper-Resistant Deadbolt Protection
Why Medeco?
Medeco Maxum deadbolt products are engineered with solid brass construction, drill-resistant pins, and proprietary M4 cylinder technology that resists picking, bumping, 3D-printed key attacks, and unauthorized key duplication. Certified to ANSI/BHMA A156.36 Grade 1 and UL 437 standards, the Maxum series represents the highest level of mechanical deadbolt security available for commercial, institutional, and high-value residential applications where dependable, covert-attack-resistant performance is non-negotiable.
Manufacturer Resources
Medeco Product Catalog
Product Specs
- Product Group:
- Mechanical Locks
- Series:
- Maxum Series
- Subcategory:
- Deadbolts
- Product Subgroup:
- Bored Locksets
- Product Type:
- Deadbolts
- Commercial/Residential:
- Commercial
- Keyed:
- Yes
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Keyed Function:
- Double Cylinder
- Lock Function:
- Deadbolt
- Product Attribute:
- Deadbolts
- Tags:
- medeco deadbolt, medeco 4 maxum deadbolt, double cylinder deadbolt, medeco maxum deadbolt lock, high security deadbolt,ul 437 rated deadbolt, medeco m4 deadbolt
- Product Model:
- 11C63
- Product Function:
- Double Cylinder
- Cylinder Classification:
- 6 - Pinned
- Keyway Options:
- DL Keyway
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware
Medeco MED-11C631T-24-DLT – Frequently Asked Questions
1) What is the grade rating and security level of the Medeco Maxum commercial deadbolt?
The Medeco Maxum is Grade 1 ANSI/BHMA certified for commercial applications. Features patented rotating tumbler technology and drill-resistant construction for high security environments.
2) What door thickness and preparation does this deadbolt require?
Fits standard 1-3/8" to 1-3/4" door thickness with 2-1/8" cross bore and 1" edge bore. Uses ANSI A115.2 Series 4000 template. Verify door thickness before ordering.
3) How does the double cylinder configuration work?
Double cylinder requires key operation from both sides. No thumb turn on interior. Provides maximum security by preventing unlocking from inside without proper key.
4) What does "captive key" mean on this deadbolt?
Captive key feature prevents key removal when bolt is extended. Key remains in cylinder until deadbolt is unlocked. Ensures door cannot be left unlocked with key removed.
5) What is the DL keyway and can it be master keyed?
DL is a Medeco restricted keyway requiring authorization to duplicate keys. Can be master keyed within Medeco systems. Contact locksmith for master key arrangements and key control options.
6) What backset options are available for installation?
Standard 2-3/8" backset with optional 2-3/4" available. Measure from door edge to center of existing bore hole to determine required backset before installation.
7) Can this deadbolt be used on fire-rated doors?
Check fire door manufacturer specifications and local fire codes. Many commercial applications require specific fire-rated hardware. Consult AHJ for compliance requirements.
8) What finish options does the Maxum series offer?
Available in multiple commercial finishes including satin chrome, oil rubbed bronze, and bright brass. Verify specific finish availability for this model configuration.
9) How do I adjust the bolt throw length?
Standard 1" throw length is factory set. Bolt extension is not field adjustable. Ensure strike box and frame preparation accommodate full 1" throw for proper security.
10) What maintenance does the Medeco Maxum require?
Lubricate cylinder and bolt mechanism quarterly with graphite or approved lock lubricant. Avoid oil-based products. Check bolt alignment and strike adjustment during routine maintenance.
11) Can I rekey this deadbolt to match existing keys?
Requires authorized Medeco locksmith due to restricted keyway. Cannot be rekeyed with standard tools. Medeco rotating tumblers require specific equipment and authorization.
12) Are replacement parts available for the Maxum series?
Yes, cylinders, strike plates, and hardware components available through authorized dealers. Browse our Medeco products section for compatible parts and accessories.
How fast can I get the Medeco MED-11C631T-24-DLT delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Medeco MED-11C631T-24-DLT come with a warranty?
Absolutely. The Medeco MED-11C631T-24-DLT is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Medeco MED-11C631T-24-DLT?
You can call, text, or email our expert support team for fast answers. We’re here to help with
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installation tips, and troubleshooting. Contact Us
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