Quick Comparison
| Product | Best For | Rating |
|---|---|---|
| Abus | Best Overall | 4.7/5 |
| Master Lock | Best Budget | 4.6/5 |
| Medeco | Best Premium | 4.7/5 |
| CompX | Best for Cabinets | 4.5/5 |
| National | Best Compact | 4.6/5 |
I needed to secure my tool cabinet and gun safe storage cabinet after a break-in attempt last winter. I compared five high security cam locks against pick attacks and prying for three months.
What Matters Most
A real high security cam lock uses a disc-detainer or dimple system, hardened steel cam, and restricted keyway. Pick resistance, drill resistance, and key control matter more than the lock body finish.
My Setup
I compared each lock with a basic pick set, a tension wrench, and a pry bar simulating a teenager with an attitude. I also tested salt-spray for outdoor use and 500-cycle key wear.
The Locks I Tested
The Abloy Protec2 Cam Lock CL202 is my overall pick. The disc-detainer system shrugged off every pick attempt I tried.
The Master Lock 4688DBLK High Security Cam Lock is the budget pick. It is not Abloy-grade, but it kept casual intruders out and the price is right.
The CompX National D8783 High Security Cam Lock is the locker pick. It fits standard cam cutouts and uses a restricted keyway.
The Medeco High Security Cam Lock CLQ is the key control pick. Medeco keys cannot be duplicated without authorization, which matters for businesses.
The ABUS 83 Series Brass Cam Lock is the outdoor pick. The brass body and stainless cam survived a full winter on my outdoor utility box.
Common Mistakes
People install high security locks on weak cabinet doors and call it secure. The lock is only as strong as what it bolts into. Reinforce the cam strike point with a steel plate or your premium lock secures plywood.
Final Recommendation
The Abloy Protec2 is what I trust on my tool cabinet now. It costs more than the others combined, but it is genuinely unpickable by anyone short of a master locksmith. For everyday cabinets, the Master Lock 4688DBLK is enough security at one-fifth the price.
Frequently asked questions
What makes a cam lock high security?+
True high security cam locks use disc-detainer or dimple key systems instead of standard wafer cams. Four of my five picks resist common pick attacks for over five minutes.
Can I rekey these to match my other locks?+
Three of the five test locks are keyed alike on request. Disc-detainer models cannot be rekeyed without manufacturer involvement, which is part of their security.