Lock Lubrication: Why It's Important A. Houlihan Locksmiths How to Lubricate a Lock Using Graphite From a Pencil : 4 Steps (with Pictures) Instructables To keep your door hinges and locks operating smoothly and quietly, regular lubrication is essential. Here's a professional tip for effective maintenance: Recommended Lubricants: For Door Hinges: Use a silicone based lubricant or Don't put up with locks that stick. Use 3 IN ONE Lock Dry Lube to dissolve build up and lubricate lock mechanisms with a formula that won't attract dirt or create a mess. 3 IN ONE and How to Lubricate a Lock: The Best Lubricants to Use