Skip to content


Master Lock padlocks

Don't see what you are looking for? Visit the Master Lock web site to find the item you need then submit a Request for Quotation to Philadelphia Security Products for the lowest prices available. We distribute all Master Lock products.


The Master Lock Company was founded in 1921. Master Lock invented the world’s first laminated padlock and began production in 1924. Over the past century Master has grown into the largest padlock manufacturer in the world with thousands of padlock and security product models. Master Lock is the market leader in the production of the most popular security hardware including all-weather padlocks, laminated and solid steel padlocks, combination locker padlocks, resettable combination padlocks, brass padlocks, safety lockout padlocks, safety lockout devices, and much more.

Master Lock began with the introduction of its laminated steel padlock in 1924. These padlock models are still in production as Master Lock’s most popular padlocks offering outstanding security at a very reasonable price. They include models 1, 3, and 5. Like most Master padlocks for sale, the laminated steel series are available keyed differently, keyed alike, and master keyed. We stock thousands of Master Lock laminated steel padlocks in our warehouse for immediate delivery.

The selection of Master Lock combination padlocks is second to none. Keyless combination Master padlocks for sale include dial-on-the-face school locker padlocks and resettable combination padlocks. The convenience of keyless operation with the resettable feature makes Master Lock combination padlocks the best padlocks to buy for many applications.

Other Master Lock padlocks that customers buy include models constructed from brass, aluminum, plastic, and solid steel. Each of these materials has characteristics that are beneficial in different applications. Brass is very durable, resistant to corrosion, and easy to manufacture which reduces the cost. Aluminum and plastic are very lightweight, are available in many colors, and are easy to engrave. These features make aluminum and plastic padlocks the best choice for safety lockout applications. Master Lock solid steel padlocks are the most resistant to force making them ideal for high-risk environments. We offer all of these Master padlocks for sale on our website

Master Lock specializes in safety lockout solutions including safety lockout padlocks and devices. Safety lockout padlocks are available in many colors, shackle heights, and keying options. The Master Lock 400 series of thermoplastic padlocks and the 6800 series of aluminum padlocks can be easily customized with laser engraving. Master Lock also has a complete selection of safety lockout devices for protection against electrical, mechanical, and chemical hazards in the workplace.

Master padlocks for sale include other specialty padlocks and hardware. The hidden shackle padlocks are the best choice for commercial vehicles and vending machine security. The new keyless Bluetooth padlock can be opened with your smartphone and is frequently used on gym lockers. Customers buy Master Lock Python cable locks and security cables to protect outdoor furniture and equipment on a job site. There is a Master padlock for sale for almost any security situation.

Master Lock also has a complete selection of components and replacement parts. Order padlock cylinders for the Master Lock Pro Series rekeyable padlocks, cut keys for any Master padlock, and padlock lubricant to keep your padlocks functioning in the toughest environments. When you need to find Master padlocks for sale, look no further than