Cam Lock Vs Tubular Lock: Which One Fits Your Cabinet Application?

Quick answer: A cam lock uses a rotating flat plate (the cam) that catches against a strike to secure a cabinet, while a tubular lock uses a radial pin arrangement inside a cylindrical keyway that requires a tubular key. Both can be mounted on the same cabinet panel, but they solve different problems: cam locks prioritize installation flexibility and master-key scalability across thousands of units, while tubular locks prioritize compact key profile and pick-resistance for single-cabinet applications like vending and coin-operated equipment.

For B2B procurement teams, the choice is rarely about which lock is “better” — it is about which mechanism matches the deployment scale, key management plan, and application environment.

How Each Lock Works

How a cam lock works

A cam lock has two parts that matter: a cylinder that fits through a hole in the cabinet panel, and a flat metal plate called a cam mounted on the back of the cylinder. When the correct key rotates the cylinder, the cam rotates 90° or 180°, catching or releasing against a strike plate on the cabinet frame. The cylinder itself usually uses disc-tumbler or pin-tumbler design, and the key profile is the standard flat key most cabinet hardware uses. Cam locks are typically manufactured in standardized 12 mm, 16 mm, and 19 mm diameters.

How a tubular lock works

A tubular lock uses a circular keyway with pins arranged radially around the cylinder. The key is shaped like a short tube with notches cut around its perimeter, and it engages the pins simultaneously rather than sequentially as a flat key does. Tubular locks are commonly seen on vending machines, coin-operated equipment, bicycle locks, and some industrial enclosures.

Core Differences at a Glance

Which Lock Is More Secure?

Security depends less on the mechanism itself and more on the specific design variant chosen. Both cam locks and tubular locks come in standard and high-security versions.

Where cam locks excel

Jin Tay’s security cam locks use 7 to 14-disc and pin tumbler designs, supporting over 10,000 key combinations per security variant. Anti-drill protection is built in: a steel ball placed at the front of the cylinder means drilling attempts cannot grip or destroy the core. For B2B applications needing verified mechanical resistance, these security-grade cam locks are appropriate for bank ATM enclosures, pharmacy cabinets, and high-value retail storage.

Where tubular locks excel

Tubular keys are less commonly duplicated by local locksmiths, so casual key copying is harder. For applications where the concern is unauthorized key reproduction rather than determined attack, tubular locks provide a meaningful practical advantage.

The honest answer

For most B2B applications, a mid-to-high-grade cam lock with adequate tumbler count delivers equivalent mechanical security to a standard tubular lock — often at lower cost and with easier supply chain support. For specialized applications like vending machines, tubular locks remain the category default for reasons tied more to industry standardization than to security superiority.

Which Application Fits Which Lock?

Choose a cam lock when you need:

• Large-scale deployment across hundreds or thousands of cabinets with master-key management

• Standardized diameter (12 / 16 / 19 mm) for cabinet panels

• Flexible cam geometry — different cam shapes and lengths for varied cabinet strike designs

• OEM customization — logo engraving, custom key codes, specialty cam shapes

• Applications needing readily-available replacement keys through a global distributor network

Choose a tubular lock when you need:

• Vending machine or coin-operated equipment standardization

• Compact external footprint where flat-key keyway space is unavailable

• Resistance to casual key duplication by local locksmiths

• Applications where tubular keys are an industry-established standard (arcade, coin-op, bicycle)

Total Cost of Ownership for B2B Buyers

Frequently Asked Questions

Q: Can a cam lock and a tubular lock be used on the same cabinet line?

A: Yes, in principle. They install through similar panel holes and serve the same basic function. In practice, B2B buyers usually standardize on one lock family per deployment to simplify key management, replacement parts sourcing, and inventory. Mixing cam locks and tubular locks on the same facility is workable for small deployments but creates operational overhead at scale.

Q: Which is harder to pick — a cam lock or a tubular lock?

A: Both can be picked by skilled attackers using the right tools. For general B2B security, the more important factors are anti-drill protection, tumbler count, and whether the deployment environment allows extended attack time. Jin Tay’s security cam locks include anti-drill steel-ball protection and 7 to 14-disc tumbler designs, providing mechanical resistance that compares favorably to standard tubular locks.

Q: Are tubular cam locks a separate category?

A: “Tubular cam lock” sometimes refers to a cam lock that uses a tubular keyway instead of a flat keyway, combining the external cam plate with a tubular key design. These hybrid variants exist for specific applications — particularly vending and coin-operated equipment that want cam-style actuation with tubular key resistance to casual duplication. Jin Tay can discuss tubular cam lock options for OEM projects as part of customization discussions.

Q: If I already have cam locks installed, is it worth switching to tubular?

A: Usually no, unless you are experiencing specific issues that tubular locks solve — such as concerns about casual key duplication in a particular deployment environment. Replacing installed cam locks with tubular locks means rebuilding the key management system, retraining facilities staff, and establishing a new replacement key supply chain. Most B2B buyers choose to standardize on whichever lock family they already have and upgrade to higher-security variants within that family when the threat profile demands it.

Making the Decision: A 60-Second Framework

Before the next buying cycle, run the decision through these four questions:

• How many cabinets? Under 50 units — either works. Over 500 units — cam lock master-key systems have a strong operational edge

• Is this a vending, coin-op, or arcade application? If yes, tubular is the industry default. If no, cam lock is the standard choice

• Do you need OEM customization — logos, custom cam shapes, specialized keying? Cam locks are more flexible in OEM projects

• Is key duplication by local locksmiths a specific concern? If yes, tubular key profiles offer a practical advantage

For 80% of B2B cabinet hardware applications, the answer points to cam locks. For specialized vending, coin-op, and arcade applications, tubular is usually correct.

Why Jin Tay for Cam Lock Sourcing

Jin Tay was founded in Taiwan in 1980, with over 45 years of lock manufacturing expertise. Cam locks are part of the company’s original product line, alongside key switch locks. Jin Tay supplies OEM cam locks in standardized 12 / 16 / 19 mm diameters, supports key management systems scaling to 50,000 unique codes and 500-lock master key deployments, and operates under ISO 9001 quality management with RoHS 2.0 compliance on its security cam lock range.

Next Step 

Ready to specify cam locks or tubular cam locks for your cabinet program?

• Request the Jin Tay Cam Lock Catalog — Full specifications, diameters, and security grades

• Talk to a Sourcing Specialist — Discuss OEM customization, MOQ, and master-key systems