Medeco 54615 Indoor/Outdoor High Security Padlock M3 Technology 6 Pin 5/16" Shackle LFIC

Medeco 54615 Indoor/Outdoor High Security Padlock — M3 Technology, 6 Pin, 5/16" Shackle LFIC

The Medeco System Series 54615 Indoor/Outdoor Padlock delivers a high-security locking solution engineered for demanding commercial applications where key control and physical attack resistance are paramount. Featuring M3 cylinder technology with a 6-pin configuration and a 5/16" diameter boron alloy steel shackle, this padlock is built to resist cutting, pulling, drilling, and picking. The weather-resistant indoor/outdoor body design ensures reliable performance across a wide range of environments, while hardened stainless steel cylinder inserts and a patented elevating and rotating tumbler pin system provide multi-layered protection against physical and covert attacks.

Key Features

• 5/16" Boron Alloy Steel Shackle: The 5/16" diameter shackle is constructed from boron alloy steel, providing exceptional resistance to cutting and pulling attacks while maintaining ductility to prevent brittleness under stress.
• Hardened Stainless Steel Cylinder Inserts: Internal hardened stainless steel inserts deliver the ultimate defense against drilling and other forms of physical vandal attack, protecting cylinder integrity under extreme force.
• 6-Pin M3 High Security Cylinder: The 6-pin M3 cylinder technology features a unique elevating and rotating tumbler pin system that is virtually pick-proof, providing superior covert attack resistance.
• Patented Key Control: Patented M4 keys may only be duplicated by Medeco or an authorized Medeco service outlet and only at the owner's request, preventing unauthorized key duplication and maintaining system integrity.
• Shuttle Pin Anti-3D Printing Protection: The Medeco 4 (M4) design includes a Shuttle Pin movable element in the key, providing utility patent protection and resistance against 3D-printed key duplication attempts.
• Flexible Keying Options: Padlocks can be ordered keyed alike, keyed differently, or master keyed to integrate seamlessly with existing door hardware systems for comprehensive key management.
• Durable Machined Brass Cylinder Components: All Medeco cylinders are constructed of durable machined brass components, designed to last the life of the equipment in commercial-grade installations.
• Indoor/Outdoor Weather-Resistant Design: The weather-resistant body is engineered for reliable performance in both indoor and outdoor environments, with extended shackle options available for indoor/outdoor models.
• Key Retaining Options: Available as key retaining or non-key retaining configurations to suit specific operational and security requirements.

Certifications & Compliance

• Commercial Grade Application
• Patented M4 Key Duplication Control — Authorized Medeco Service Outlets Only
• Utility Patent Protection (Medeco 4 Design)

Technical Specifications

• Series: Medeco System Series Padlock
• Cylinder Technology: Medeco M3
• Pinning: 6-Pin
• Shackle Diameter: 5/16"
• Shackle Material: Boron alloy steel (cutting and pulling resistant)
• Body Style: Indoor/Outdoor Weather-Resistant
• Certification: UL 437 Listed
• Construction: Durable machined brass cylinder components; hardened stainless-steel cylinder inserts
• Warranty: 2-year manufacturer's warranty

Typical Applications

• Commercial Office Buildings and Corporate Campuses
• Educational Facilities and School Districts
• Healthcare Institutions and Medical Facilities
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Utility and Infrastructure Access Points
• Retail Establishments and High-Value Storage Areas

Why Medeco?

Medeco System Series padlocks are engineered with durable machined brass cylinder components, hardened stainless steel inserts, and a boron alloy steel shackle rated to resist cutting, pulling, and drilling attacks. The patented M3 and M4 cylinder technologies, combined with the elevating and rotating tumbler pin system, deliver professional-grade security trusted in the most demanding commercial environments where key control and physical attack resistance are non-negotiable.