Self-Locking Minarb
PSM Self-Locking Minarb (MINLOK) is a miniaturised Anchor® threaded fastener for sheet metal with an inbuilt all-metal self-locking feature. It combines the simplicity and reliability of a standard MINARB® with thread locking offering a minimum of five re-uses.
Advantages
- Provides excellent resistance to screws working loose
- Eliminates the need for locking washers
- Eliminates the need for the application of locking adhesives
- Suitable for high temperature applications
Design Guide
Hole Size & Tolerances
Holes may be punched or drilled. Maintain a tolerance of –0.00 + 0.10 mm to ensure proper fit and performance.
Installation Process
Use the correct riveting punch geometry as recommended in the product data. For best consistency, use a press rather than hand tools, although small quantities can be installed manually. Ensure the fastener is aligned properly and avoid applying side loads during installation.
Material & Finish
Standard material is mild steel. The finish is typically zinc-plated with clear trivalent passivation, plus a special lubricant. The pre-applied torque-control lubricant should not be removed, as it affects locking performance.
Applications & Use Cases
Self-Locking Minarb is ideal for sheet metal assemblies subject to vibration or repeated maintenance. Its built-in locking feature ensures reliable performance without secondary hardware such as lock washers or adhesives. Typical applications include:
- Electrical enclosures and switch panels
- HVAC units and ducting systems
- Instrument housings and metal cabinets
- Light-gauge assemblies where vibration resistance is essential
Technical Data
STANDARD MATERIAL– Mild Steel (S)
STANDARD FINISH – Zinc & Clear Trivalent Passivation plus special lubricant.
NOTE:
This product carries a pre-applied torque control
lubricant which should not be removed.
Dimensions
How to Specify
