jumpToMainContent
  • Products
  • About
  • Mechanical Solutions
  • Vehicle Protection
  • For Locksmiths
  • Sales Terms and Conditions
  • Stories
  • Products
  • About
  • Mechanical Solutions
  • Vehicle Protection
  • For Locksmiths
  • Sales Terms and Conditions
  • Stories
Partner Area
Our Products
About
Contact us
  • Key Platforms
  • All Cylinders
  • Padlocks
  • Mul-T-Lock Vehicle Protection
  • Mortise Locks
  • Locksets
  • Industrial Locks
  • Hardware & Accessories
  • Key Cutting Machines
Mul-T-Lock
  • Mortise Locks
  • Lock cases

Lock 257

Application
Security lever lock for wood and steel doors.
Preferred installation as additional lock for reinforcing security level.

Operation
Double key turn for bolt action
Right- or left-hand applications
Bolt throw: 1 key turn 18 mm; 2 key turns 36 mm

Options
Keys: 3 double-bit keys; 5 double-bit keys
Front plate plating: Chrome nickel; Satin nickel; Shiny brass

Specifications
Backset: 60 mm
Triple round deadbolts: Ø16 mm
Keyway protective plate hinders drill attacks

Materials
Case: galvanized steel
Mechanism: steel
Bolts: chrome nickel-plated steel
Front plate: see options
Keys: chrome nickel-plated brass

e8d0f-lock257_jpg-jpg-p0x0-q85-m1020x420-framenumber-1-.jpge8d0f-lock257_jpg-jpg-p0x0-q85-m1020x420-framenumber-1-.jpg
  • Privacy Centre
  • About Mul-T-Lock®
    • About us
    • Business Units
    • Contact us
    • General Terms & Conditions
  • Locking & Access Solutions
    • Mechanical solutions
    • Patented cylinder platforms
    • Vehicle protection solutions
    • Product catalog
  • Commercial & SMB
    • Master Key Systems
  • For Locksmiths
    • Become a Mul-T-Lock Locksmith
    • Modular cylinders
    • Key cutting machines
    • Support
    • Partner Area
  • Facebook
  • Instagram
  • YouTube
  • The Mul-T-Lock name, the muscleman logo, in the field of locking products, the MTL name, and any other name, mark, or logo used by Mul-T-Lock and marked by a ™ or ® sign, are registered / pending or otherwise owned trademarks of Mul-T-Lock Ltd. and/or its affiliates 2022
  • © ASSA ABLOY
  • ASSA ABLOY Group
Part of ASSA ABLOY Group
  • Products
  • Key Platforms
  • All Cylinders
  • Padlocks
  • Mul-T-Lock Vehicle Protection
  • Mortise Locks
  • Locksets
  • Industrial Locks
  • Hardware & Accessories
  • Key Cutting Machines
  • About
  • Contact Us
  • Sustainability
  • Our Heritage
  • Executive Team
  • Mul-T-Lock® International
  • Find a local Distributor
  • Mechanical Solutions
  • Patented cylinder platforms
  • MTL™800
  • MTL™600
  • MTL™500
  • MTL™400
  • MTL™300
  • MTL™200
  • Cylinders and Keying Options Unique Features
  • High Security Padlocks
  • Master Key Systems
  • Antibacterial
  • Vehicle Protection
  • For Locksmiths
  • Become a MTL Locksmith
  • Products for Locksmiths
  • Sales Terms and Conditions
  • Stories
  • Mul-T-Lock International Shows