The Simple Internal Door Latch Solution

Upgrade your doors with a high-performance internal door latch from Zoo Hardware. This Project Tubular Latch combines precision engineering, smooth operation and durable construction — an ideal choice when you need a reliable tubular mortice latch for internal doors.

Whether you’re fitting new lever handles, replacing a worn latch, or specifying hardware for a commercial build-out, this latch offers outstanding value and performance.

⚙️ Key Features

• 🔩 Precision Tubular Mortice Design: Engineered for internal use with a guided latch bolt and adjustable strike plate for accurate alignment. 

• 🧱 Bolt-Through Mounting Option: Available in bolt-through versions (e.g., 64 mm and 76 mm backset) to suit modern lever handle fixings and provide stronger mounting. 
  

• 🛠️ Simple Installation: Supplied with fixings, strike plate and adjustable features, this internal door latch is designed for quick installation in commercial or residential settings.

• 🧰 Reliable Performance: Backed by Zoo Hardware’s mechanical guarantee and quality standards, this is a trusted choice for internal door hardware. 

🏠 Ideal For

• New installations or replacements on internal doors across homes, offices and commercial premises.

• Lever on rose/backplate setups where accurate backset and alignment are needed.

• Projects needing a versatile latch compatible with multiple finishes and door specifications.

🛡️ Why Choose This Internal Door Latch?

If you’re looking for a dependable internal door latch that offers both form and function, the Zoo Hardware Project Tubular Latch delivers. With its precision design and broad finish options, it suits a wide range of doors and hardware styles — ensuring smooth operation, good alignment and long-term durability.

📏 Technical Details

• Brand: Zoo Hardware

• Type: Project Tubular Latch / Internal Door Latch

• Backset Options: 64mm, 76mm

• Finish Options: Satin Stainless Steel, Polished Brass

• Installation: Supplied with strike plate & fixings; bolt-through or standard mounting.

• Suitable For: Internal doors in residential or commercial environments.

💬 FAQ

❓ What is an internal door latch?

An internal door latch is a mechanism installed into the door edge that allows the handle lever to retract the latch when opened, and holds the door closed when released.

❓ Can this tubular mortice latch fit my door?

Yes — this product comes in backset sizes (e.g., 44 mm and 57 mm), making it compatible with many modern internal doors and lever handle assemblies.

❓ Is this latch suitable for high-traffic or commercial use?

Absolutely — its guided bolt design, adjustable strike and robust build ensure reliable performance in both domestic and commercial environments.

❓ How do I measure for an internal door latch?

📏 We have a full guide on how to measure correctly — How to Measure an Internal Door Latch — so you can choose the right size with confidence.