Medeco® Maxum® Deadbolt Lock – High Security M4 Technology | Grade 1 Certified
When it comes to strength and uncompromising security, the Medeco Maxum® deadbolt lock stands in a league of its own. Designed to meet the highest performance standards, this ANSI/BHMA Grade 1 and UL 437 listed Medeco deadbolt offers robust physical protection against forced entry, covert attacks, and key duplication.
The Medeco 4 Maxum deadbolt is available in multiple configurations—including single cylinder, double cylinder deadbolt, and captive thumbturn—making it a versatile solution for securing residential, institutional, and commercial doors.
Key Features & Security Enhancements
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Solid brass construction with strategically placed drill-resistant pins
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Double cylinder deadbolt model offers added protection where interior key control is required
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Captive thumbturn option allows for fast conversion between single and double-cylinder functionality
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Medeco 4 (M4) cylinder technology with:
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Patent-pending key control that protects against unauthorized key duplication
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Movable key elements to resist 3D printing
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Sidebars and shuttle lift pin mechanisms to resist bumping and picking
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Virtually pick-proof and drill-resistant
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Compatible with master key systems, including M4, M4 BiLevel*, and M4 CLIQ*
Certifications
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ANSI/BHMA A156.36 Grade 1
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UL 437 listed for high-security applications
Technical Specifications
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Fits doors: 1-3/8” to 2-1/2” thick
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Bore prep: 2-1/8” crossbore, 1” edge bore (ANSI A115.13)
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Available with a range of Medeco 4 high-security cylinders
Finish Options
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05 – Bright Brass
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06 – Satin Brass
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09 – Antique Brass
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10 – Satin Brass Blackened
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11 – Bright Bronze
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12 – Satin Bronze
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13 – Oil Rubbed Bronze
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18 – Bright Nickel
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19 – Satin Nickel
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20 – Antique Nickel
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22 – Black
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24 – Dark Bronze
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25 – Bright Chrome
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26 – Satin Chrome
Applications
Perfect for use in:
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Office buildings
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Hospitals
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Schools
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Retail outlets
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Restaurants
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Apartments and condominiums
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Any application requiring a high-security, tamper-resistant deadbolt solution
Downloads:
Manufacturer Resources
Product Specs
- Category:
- Mechanical Locks
- Product Group:
- Mechanical Locks
- Series:
- Maxum Series
- Model:
- 11C63
- Subcategory:
- Deadbolts
- Product Subgroup:
- Bored Locksets
- Product Type:
- Deadbolts
- Cylinder Type:
- 6 - Pinned
- Keyways:
- DL Keyway
- Commercial/Residential:
- Commercial
- Keyed:
- Yes
- Grade:
- Grade 1
- Duty Level:
- Heavy Duty
- Function:
- Double Cylinder
- 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