57 - Spring Latch Series Self-Adjusting Compression Latches
57 - Spring Latch Series Self-Adjusting Compression Latches
Versatile, affordable, and forgiving, this extremely economical class of compression latches is Southco's easiest way to make panels fit just right with a quick fraction of a turn. Its cam action spring pawl accommodates wide variations in grip range, fit, and build tolerances.


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A wide range of latch sizes and actuation styles complement the versatile performance of this self-adjusting spring cam design. They satisfy a broad spectrum of applications where specific compression forces are not critical.
- Ramped spring-quality pawl provides increasing level of compression as latch is rotated and enhances tension on latch in closed position
- Serrated spring models provide greater friction for more vibration-resistant grip
- User controls the amount of compression force
- Spring steel cam design is more tolerant of rough handling as experienced with lift-off panels
- Three-hole (round hole) mounting design accommodates rivet, stud, or weld mounting
Available Options
- Optional stainless steel construction for non-corrosive applications
- Spacer options allow adjustment for different panel and frame dimensions
- Toolhead recess key may be ordered separately
Industry Applications
- Automotive, Passenger Vehicles and Trucks
- Computers, Networking
- Construction Equipment, Off-Highway Vehicles, Farm Equipment
- Exhibits/Signs
- Food Equipment
- HVAC
- Industrial Machinery, Machine Tools, Metal Cutting
- Lawn/Garden Equipment
- Railway

- Miniature size satisfies grip ranges from 1.2 mm (.05") to 4.3 mm (.17")

- Small size satisfies grip ranges from 1.2 mm (.05") to 6.4 mm (.25")

- Medium size satisfies grip ranges from 1.6 mm (.06") to 14.3 mm (.56")

- Large size satisfies grip ranges from 2.4 mm (.09") to 14.3 mm (.56")
- Large size bail handle style satisfies grip ranges from 2.4 mm (.09") to 35.5 mm (1.39")






