FB61T Top Constant Latch Flush Bolt

The Automatic Top Flush Bolt is a heavy-duty locking solution designed for timber and metal double doors in commercial and residential applications. Engineered for strength and reliability, it automatically secures the inactive door leaf while providing smooth, low-force operation for everyday use. Manufactured from heavy-duty steel plate and cast brass, it offers long-lasting durability and corrosion resistance.

Featuring a 19mm bolt throw for secure positive locking and fully automatic bolt retraction, this flush bolt delivers dependable performance in high-traffic environments. Supplied with a matching strike plate, it is ideal for new installations and replacement projects where reliable door security is essential.

Features

• Heavy-duty automatic top flush bolt
• Suitable for timber and metal doors
• Manufactured from heavy-duty steel plate and cast brass
• Steel components are dichromate plated for corrosion resistance
• 19mm bolt throw for secure positive locking
• Fully automatic bolt retraction
• Low actuation force for smooth operation
• Supplied with matching strike plate
• Ideal for commercial and residential applications

Specifications

• Product Type: Automatic Top Flush Bolt
• Function: Automatic Flush Bolt
• Mounting Position: Top
• Bolt Throw: 19mm
• Material: Steel Plate and Cast Brass
• Corrosion Protection: Dichromate Plated Steel Components
• Suitable Door Types: Timber and Metal Doors
• Finish: Satin Chrome

Variants

• GJH22031 – Satin Chrome