Security Collars
- Composed of chrome-plated hardened steel.
- Reduces lock projection from the inside of the machine.
- Gives extra protection from prying for the exposed shoulder of the lock.
- Fits standard 19mm diameter cam locks or switch locks.
- Various sizes available.
Security Washers
- Composed of plated steel.
- Fits standard 3/4" diameter cam locks with two flats.
| Stock No. | Type | Outer Diameter | Inner Diameter | Projection | Overall Height |
| 691-21 | Spike Washer | 28mm | 19mm 2 flats (16mm) | 1.2mm | 1.2mm |
| 691-22 | Flat Washer | 27mm | 19mm 2 flats (16mm) | 1.2mm | 1.2mm |
| 691-24 | Tension Washer | 22mm | 19mm | 0.5mm | 0.3mm |
| 691-25 | Security Collar | 30mm | 19mm | 2mm | 6mm |
| 691-28 | Security Collar | 35mm | 19mm | 2mm | 8mm |
| 691-29 | Security Collar | 35mm | 19mm | 5mm | 11mm |
