Hettich HBS 31 FSSL Single Latch Lock – DIN Left/Right, 55 mm Backset

Overview

The Hettich HBS 31 FSSL is a single latch lock designed for single leaf steel or wooden doors. It uses a 55 mm backset and is built for both left and right (DIN Left/Right) door configurations, making it a flexible choice for standard door installations that need a reliable, secure latch mechanism.

What It Does

This lock provides secure latching for a single door leaf using a zinc-plated lock case with a closed, 3-fold fastening design. The stainless steel faceplate gives it a durable, corrosion-resistant finish while maintaining a secure fit across various door types.

Who It Helps

Key Capabilities

AttributeDetail
Lock TypeSingle Latch Lock
Backset55 mm
Face Plate MaterialStainless Steel
Face Plate Width / Hub24 mm / 8 mm
Lock CaseZinc-plated, closed case with 3-fold fastening
UsabilityLeft or Right useable (DIN Left/Right)
Finish TypeSS (Stainless Steel)
Door TypeSteel / Wooden
Applicable ForSingle Leaf Door
Fire RatedNo
Warranty5 Years
SKU9228149

Buyer Questions This Page Should Answer

What is the backset size of this lock?

The backset is 55 mm.

Can this lock be used on both left and right opening doors?

Yes, it is DIN Left/Right useable, meaning it fits either door orientation without needing a separate part number.

What materials is the lock made from?

The faceplate is stainless steel and the lock case is zinc-plated, giving it durability and corrosion resistance.

What door types is this lock suitable for?

It is designed for single leaf steel or wooden doors. It is not fire rated.

Is this lock covered by a warranty?

Yes, it comes with a 5-year warranty from Hettich.

What is the current price and availability?

What is the product category?

It falls under Door Locking Solution > Special Locks > Single Latch Lock.

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Resources or Next Steps

Current product facts

Last checked by Readable: 2026-09-24T07:58:02.073Z