Padlocks

A padlock is a portable, detachable lock made up of a main body, a shackle and an internal locking mechanism, and is the quickest way to secure gates, lockers, storage units and site equipment across both commercial and residential use in Hong Kong. From compact brass models for luggage and lockers through to heavy-duty hardened-steel padlocks for warehouses and outdoor storage, the right choice comes down to the material, shackle size and locking mechanism the application needs. At RS Hong Kong, we stock padlocks across a range of sizes, materials, shackle lengths and locking mechanisms, from keyed and combination to smart and anti-pick models.

Types of Padlocks

Different jobs call for different padlocks. The six variants below cover the range stocked at RS Hong Kong, from everyday keyed models through to high-security units for assets that need serious protection. Match the padlock to the environment (indoor or outdoor), the shackle size the fitting requires, and the locking mechanism the user is comfortable with.

Keyed Padlocks

Keyed padlocks are the most familiar type: a separate key operates the mechanism, with some models self-locking when the shackle is pushed back into the body. Keyed options come in two main configurations: keyed alike, where one key opens multiple padlocks (useful when a maintenance team needs quick access to many points), and keyed to differ, where each padlock has its own unique key.

Combination Padlocks

Combination padlocks dispense with keys entirely, using a series of dial wheels that must be aligned to open the mechanism. They suit lockers, luggage and shared-access points where the risk of a key being lost outweighs the convenience of a mechanical lock, and most models allow the combination to be reset.

Smart & Bluetooth Padlocks

Smart padlocks pair with a smartphone or Bluetooth device to grant access, often with logging and user-permissions features through a companion app. They are a natural fit for facilities with rotating staff or contractors, where issuing and revoking digital keys is faster than cutting physical ones.

Anti-Pick & High Security Padlocks

Anti-pick padlocks use upgraded internal mechanisms (such as mushroom or spool pins) that are far harder to manipulate with picking tools. These are the right choice when the value of the assets being protected justifies the extra specification, from secured storage to critical plant and equipment.

Weatherproof Padlocks

Weatherproof padlocks are built from water- and corrosion-resistant materials such as stainless steel, brass or titanium, with sealed keyways to keep moisture and dirt out. They suit outdoor gates, site compounds, roller shutters and marine applications where a standard padlock would quickly seize up in Hong Kong's humidity and rainfall.

Laminated & Safety Lockout Padlocks

Laminated padlocks are built from layered steel plates for superior resistance to cutting and prying, while plastic-covered variants offer electrical insulation and chemical resistance for electrical applications. Safety lockout padlocks, used in lockout and tagout (LOTO) procedures, are keyed to differ by default so that each worker holds the only key to the energy source they are isolating.

Applications of Padlocks

Padlocks earn their place in almost every setting where something needs to be kept closed, from industrial lockout procedures through to the bike parked outside a Hong Kong flat. The five applications below cover the most common uses stocked at RS Hong Kong, with the padlock specification tightening up as the stakes rise.

Workplace Lockout & Tagout

Safety lockout padlocks are a fundamental part of lockout and tagout (LOTO) procedures: when a machine is isolated for maintenance, each worker fits their own uniquely-keyed padlock to the energy source and keeps the key on them throughout the work. The procedure sits alongside wider site safety practices, such as proper access to a workplace first aid kit, as a baseline of worksite protection.

Warehouses, Gates & Storage Units

In warehouses, logistics depots and storage facilities, heavy-duty weatherproof padlocks secure roller shutters, container doors, gates and storage units. Many operations pair padlocks with hasp & staples on timber or metal doors for a stronger anchor point, and layer physical security with CCTV cover for monitoring and incident review.

Lockers & Cabinets

Staff lockers, tool cabinets and document cabinets all rely on padlocks (or integrated camlocks where a cylinder lock is a better fit for a cabinet door). Combination padlocks suit shared-use lockers where keys would be a logistical headache, and smaller brass or aluminium keyed padlocks suit personal lockers in gyms, schools and sports clubs. Where the contents justify a step up in security, lockable secruity safes take over from padlocked cabinets entirely.

Outdoor Sheds, Gates & Bikes

For outdoor applications in Hong Kong's climate, weatherproof padlocks with stainless-steel or brass bodies and sealed mechanisms stand up to humidity, salt air and heavy rain. The right shackle length and diameter matter more than the body size here: bike thieves target the shackle, and the simplest attack is a pair of bolt cutters, so hardened steel and a shackle thick enough to resist them is a sensible investment.

Travel & Luggage

Small combination or keyed padlocks secure suitcases, backpacks and gym bags. For international travel, TSA-approved padlocks (which allow airport security to inspect without destroying the lock) are worth looking at, and lightweight combination models remove the risk of losing the key mid-trip. Where more permanent protection is needed, keypad-based options such as keypad locks are an alternative worth considering.

Padlocks at RS Hong Kong

RS Hong Kong is a trusted supplier and distributor of padlocks, stocking keyed, combination, smart and heavy-duty models from brands including ABUS, Kasp and RS PRO at competitive prices. Buying from RS is simple, simply filter by cost, material, shackle size, locking mechanism or brand, review the datasheet and add to cart for quick checkout.

Enjoy free same-day delivery as an RS business account holder on locally-stocked orders placed before noon from Monday to Friday. Delivery charges and fees may be subject to change, for up-to-date details, visit the RS Hong Kong delivery page.