The ABLOY PROTEC Master Keyed (MK) range offers high-security cam locks, padlocks, and cylinders designed for ultimate protection and key control. Ideal for commercial, industrial, and government applications, these locks provide durable, pick-resistant solutions for cabinets, doors, storage units, and secure access points. With precision-engineered mechanisms, each MK lock can be configured for master keying, allowing convenient single-key access across multiple locking points. Key Features Master Keyed (MK) System for flexible access control High-security cam locks with 9–11 disc mechanisms Durable padlocks with brass, CHS, and SWP bodies Boron steel shackles for superior cut and pull resistance Laser-etched keys and padlocks for added security and traceability Right-hand, left-hand, and universal options for cam locks Shrouded padlock designs for enhanced shackle protection Garage and furniture locks for versatile applications Available Variants Internal Cylinders: 001 Type, 355 Type Padlocks: 33mm, 48mm, 57mm, 72mm (with options for 25mm, 50mm, 100mm shackles) Cam Locks: 33mm – 44.5mm, 9 or 11 disc, brass or steel, left/right hand Garage Door & Switch Locks: 8474 Garage Door Lock Attachment Accessories: Chains and caps included for certain padlocks Applications Secure cabinets, lockers, and storage rooms Access control in commercial and industrial environments Government and high-security installations Garage and workshop security Master key systems for multi-lock access Why Choose ABLOY PROTEC MK ABLOY PROTEC MK combines ultimate physical security with master key convenience. Its precision-engineered locking systems are virtually pick-proof, highly durable, and designed for demanding access control environments, giving you peace of mind and streamlined key management.