Choosing the correct replacement key type is important to ensure proper fit and operation. Use the guide below to determine whether you need a flat key or a tubular key for your lock.
🗝️ Flat Keys (Standard Keys)
Flat keys are the most common key type used on toolboxes, cabinets, lockers, and other storage equipment.
Key Features:
Flat, rectangular blade
Cuts (teeth) on one or both sides
Common on standard cam and cabinet locks
Common Applications:
- Office furniture (desks, file cabinets, credenzas, etc.)
- Lockers
- Toolboxes and tool chests
- Storage cabinets
- Utility enclosures and equipment cases
Best For:
General-use applications
Lower to moderate security needs
Easy identification and replacement
🔘 Tubular Keys (Round Keys)
Tubular keys (also called barrel or round keys) are commonly used on higher-security locks.
Key Features:
Round, cylindrical design
Cuts arranged in a circular pattern
Can be inserted in any direction
Common on higher-security cam locks
Common Applications:
- Rolling toolboxes and secure tool storage
- Garage and workshop cabinets
- Vending machines and kiosks
- Utility panels and equipment enclosures
Best For:
Higher-security storage applications
Frequent use (quick, easy insertion)
Increased resistance to picking compared to flat keys
✅ How to Identify Your Key Type
Flat key:
Looks like a traditional house key with visible grooves and teeth.
Tubular key:
Round with cuts around the edge and a hollow center.
👉 If your lock opening is circular, you likely need a tubular key.
👉 If your lock opening is narrow and vertical, you likely need a flat key.
✅ Pro Tip (Reduce Ordering Errors)
Always check the key code stamped on your lock or original key before ordering.
This helps ensure you receive the correct replacement key—whether flat or tubular.
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