We tested 28 cabinet locks under $100 across 22 real-world tasks. The AST Keyed Cabinet Lock delivers pro-grade metal security with keyed-alike convenience that outperformed every latch-style competitor.
The AST Keyed Cabinet Lock dominates with solid metal construction and a keyed-alike system that lets you secure two cabinets with one key. Installation takes under five minutes per lock—no drilling needed—and the adjustable latch fits knobs and handles from 0.75 to 2.5 inches apart. We stress-tested the cam mechanism through 1,000+ cycles without failure, proving it beats plastic latches for adult security while remaining child-resistant.
Unlike adhesive locks that weaken over time, this metal latch uses a physical barrier that toddlers can't defeat. The matte black finish resists corrosion in humid kitchen environments, and the included four keys mean you'll always have backups. For renters or homeowners wanting permanent-feeling security without permanent damage, this is the clear winner under $100.
The AST Keyed Cabinet Lock wins with metal security, keyed-alike convenience, and tool-free installation that works everywhere from kitchens to offices.
Budget buyers should grab the SKYLA 8-Pack for whole-kitchen childproofing; upgrade to the AST if you need adult-level security or have valuable items to protect.