Carbine Sandown 4000 Tiebolt Passage Set – Boxed – Satin Stainless Steel

The Carbine Sandown 4000 Passage Set is a durable, commercial-grade knobset designed for internal doors where no locking function is required. Built with a strong tiebolt mechanism and finished in Satin Stainless Steel, it delivers reliable performance and a sleek appearance for high-traffic environments such as offices, corridors, and public facilities.

This set is supplied boxed and includes an adjustable latch for versatile installation.

Key Features:

• Passage function – no locking, free entry and exit from both sides

• Strong tiebolt construction for long-lasting performance

• Fire rated for up to 2 hours

• Tested to 400,000 cycles with no failures

• Supplied boxed in Satin Stainless Steel

• Adjustable 60–70mm latch included (127mm backset available separately)

• 75mm rose with visible internal fixing

• Suitable for doors 35mm–45mm thick (spacers available for thinner doors)

A practical and durable solution for non-locking internal doors in commercial or institutional settings.