Skip to content

Mul-T-Lock

An Israeli security brand specializing in mechanical, electromechanical, and high-security locking systems.

Last updated August 22, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Mul-T-Lock is an Israeli security and locking brand founded in 1973 by Moshe Dolev and Avraham Bahry. The company began with the development of a four-way lock and subsequently built its business around padlocks, cylinders, combination locks, and other physical-security products. Its history is closely associated with the development of more resistant lock mechanisms and with the expansion of professional distribution through locksmiths, dealers, and regional business units. The company’s early development included international marketing activity in the mid-1970s and the introduction of telescopic pin technology in 1977. That innovation marked Mul-T-Lock’s entry into the cylinder market, which became a central part of its product identity. As demand grew, the company expanded its manufacturing capacity and broadened its commercial reach beyond Israel. Mul-T-Lock established its first United States business unit in 1987 and opened a second manufacturing plant in Israel during the same period. In the 1990s, it continued expanding into Europe and the Asia-Pacific region. The company launched its patented Interactive platform in 1992, extending its high-security cylinder offering and supporting the development of a broader international product portfolio. In 2000, Mul-T-Lock became part of ASSA ABLOY, the global access-solutions group. Under that ownership, the brand continued to operate as a specialist security business while benefiting from the parent group’s international distribution and technology network. Later product development included the MT5+ high-security premium cylinder platform and the KC5 key-cutting machine, both introduced in 2006. Mul-T-Lock’s current portfolio covers mechanical locks, cylinders, padlocks, lock cases, electromechanical access-control systems, vehicle-protection products, industrial locks, master-key systems, key-management solutions, and key-cutting equipment. Its principal customers and users include residential and commercial property owners, institutions, industrial operators, automotive users, locksmiths, security professionals, and access-control installers. The brand’s market positioning emphasizes high-security locking, controlled key systems, professional installation, and integrated physical-access management rather than consumer lifestyle branding. Reference material describes a distributor and authorized-locksmith network serving more than 80 countries, although a current corporate website, headquarters address, and present operating metrics are not identified in the supplied sources.

History

Mul-T-Lock was established in Israel in 1973 by Moshe Dolev and Avraham Bahry. Its early business was based on the invention of a four-way lock and the development of security products intended to provide stronger protection than conventional locking mechanisms. The company began expanding its marketing internationally in the mid-1970s, while growth in demand led it to increase manufacturing capacity. A major technical and commercial step came in 1977, when Mul-T-Lock introduced telescopic pin technology and entered the lock-cylinder market. Cylinders became an important part of the company’s subsequent product range and supported its specialization in high-security mechanical access systems. During the 1980s, Mul-T-Lock expanded its physical production and sales infrastructure. In 1987, it opened its first United States business unit and established a second manufacturing plant in Israel. The company continued its international expansion in the 1990s through additional European selling units and entry into the Asia-Pacific market. In 1992, it launched the patented Interactive platform, adding a new generation of high-security cylinder technology to its portfolio. This period also saw the company develop a wider professional network involving distributors and authorized locksmiths. In 2000, Mul-T-Lock became part of ASSA ABLOY Group, an international manufacturer and provider of access solutions. The acquisition placed Mul-T-Lock within a larger global security organization while preserving its identity as a specialist brand. Product development continued under the group, including the MT5+ premium high-security cylinder platform and the KC5 key-cutting machine, both introduced in 2006. Mul-T-Lock’s product scope subsequently extended beyond conventional mechanical locks. Its portfolio includes cylinders, padlocks, lock cases, vehicle-protection products, electromechanical access-control systems, industrial locks, master-key systems, key-management products, and equipment for cutting keys. The brand’s route to market has relied substantially on professional channels, including distributors, locksmiths, and authorized installers. The supplied reference material states that this network reached more than 80 countries. Current details about the company’s executive leadership, headquarters, financial performance, and independently reported operating results are not established by the available sources.

  • 2006

    MT5+ and KC5 introduced

    [1]

    The brand introduced the MT5+ premium high-security cylinder platform and the KC5 key-cutting machine.

  • 2000

    Joined ASSA ABLOY Group

    [1]

    Mul-T-Lock became part of ASSA ABLOY, an international access-solutions group.

  • 1992

    Interactive platform launched

    [1]

    Mul-T-Lock launched its patented Interactive platform as part of its high-security cylinder development.

  • 1987

    United States business unit and second Israeli plant

    [1]

    Mul-T-Lock opened its first business unit in the United States and established a second manufacturing plant in Israel.

  • 1977

    Telescopic pin technology introduced

    [1]

    The company introduced telescopic pin technology and entered the lock-cylinder market.

  • 1976

    International marketing expansion

    [1]

    Mul-T-Lock expanded its marketing activity beyond Israel as the company began developing an international commercial presence.

  • 1973

    Company founded

    [1]

    Moshe Dolev and Avraham Bahry established Mul-T-Lock in Israel, initially building the business around a four-way lock invention.

Products and positioning

Professional and high-security access solutions for residential, commercial, institutional, industrial, automotive, locksmith, and property-management applications.

  • Mechanical locking systems

    Mechanical locks

    Mul-T-Lock’s mechanical range includes conventional and high-security locking hardware designed for physical access protection. These products form the foundation of the brand’s portfolio and are used across residential, commercial, institutional, industrial, and specialist applications.

  • Lock cylinders · 1977

    High-security cylinders

    Lock cylinders are a core Mul-T-Lock category. The company entered the cylinder market after introducing telescopic pin technology in 1977 and later developed platforms including Interactive and MT5+. These systems are associated with controlled keys and higher-security mechanical access applications.

  • High-security cylinder platform · 1992

    Interactive platform

    Introduced in 1992, the patented Interactive platform extended Mul-T-Lock’s high-security cylinder offering. It was developed for applications requiring more controlled key operation and a security-focused mechanical locking architecture.

  • Premium high-security cylinder platform · 2006

    MT5+

    MT5+ is a premium high-security cylinder platform introduced by Mul-T-Lock in 2006. It represents the brand’s continued focus on advanced mechanical cylinders and professional access-security systems.

  • Key-cutting machine · 2006

    KC5

    KC5 is a Mul-T-Lock key-cutting machine introduced in 2006. It supports the professional locksmith and authorized-distributor channel by providing equipment associated with the production and management of compatible keys.

  • Portable locking products

    Padlocks

    Mul-T-Lock produces padlocks as part of its broader physical-security portfolio. The category serves applications requiring portable or externally mounted locking, with the brand’s wider range also covering specialized and high-security use cases.

  • Electronic and electromechanical access control

    Electromechanical access-control systems

    The brand’s electromechanical range extends Mul-T-Lock beyond purely mechanical hardware into controlled access systems. These products are intended for managed entry environments and complement cylinders, locks, keys, and broader access-management solutions.

  • Access organization and key control

    Master-key and key-management systems

    Master-key and key-management solutions help organizations structure permissions across multiple doors, users, and facilities. They are relevant to commercial, institutional, industrial, and property-management environments where access must be organized and professionally administered.

Sources1 sources

Cite this profile: Cite the canonical profile. /brand-wiki/mul-t-lock · Editorial policy · How profiles are compiled