Hettich SS D3 Right Prolock Infinity Main Door Safety Lock (Both Side Movable)

Overview

The Hettich SS D3 Right Prolock Infinity is a main door locking solution that combines a mortise lock with a night latch system for enhanced home and office security. It is built in stainless steel and configured as a DIN Right model, meaning the door hinges are on the right side and the door is pulled and operated with the right hand.

Product Facts

AttributeDetail
BrandHettich
CategoryDoor Locking Solution > Main Door Locking Solutions
SKU9228509.S
Material / FinishStainless Steel
ConfigurationDIN Right (hinges on right, operated with right hand)
Door Thickness Supported35–50 mm
Warranty5 years (functionality and surface)

What It Does

This lock uses the ProLock Infinity system, which pairs a mortise lock with a night latch mechanism in a single unit. The handle is movable on both sides with manual locking, and the lock body includes cylinder protection designed to resist drilling.

Key Capabilities

Who It Helps

Homeowners and businesses looking to upgrade main door security with a durable, stainless steel lock that resists drilling and supports high-cycle daily use. Suited to doors 35–50 mm thick with right-hand hinge placement (DIN Right).

Buyer Questions This Page Should Answer

What does DIN Right mean for this lock?

DIN Right indicates the door hinges are on the right side, and the door is pulled and operated using the right hand.

What door thickness is this lock compatible with?

Doors between 35 mm and 50 mm thick.

What is included with the lock?

The lock comes supplied with five main keys and two construction keys.

How secure is the cylinder?

The Euro Profile Cylinder is a ProLock Infinity high-security thumb-turn cylinder, 70 mm in length, with a computerized snake keyway and anti-drill pins for added protection against drilling attacks.

How durable is the lock mechanism?

The lock has been tested to 2,00,000 operating cycles.

What warranty does it carry?

A 5-year warranty covering functionality and surface finish.

What are the lock body dimensions?

Centre-to-centre distance is 68 mm and the back set is 60 mm.

Proof or Trust Signals

Resources

Current product facts

Last checked by Readable: 2026-09-24T08:00:10.700Z