Hettich Grant 1230 Heavy-Duty Sliding Kit (3600mm Runner, 147 Kg/Door)

The Hettich Grant 1230 is a top-mounted sliding door hardware system built for heavy wooden doors used in room dividers and sliding-door installations. It comes with a 3600 mm track and supports single, bi-parting, and by-passing door configurations.

Overview

What It Does

This is a top-mounted, four-wheel-carrier sliding door system designed for heavy wooden doors. It uses precision ball-bearing wheels for smooth, quiet operation and a heavy-duty aluminum I-beam track with a jump-proof design to keep doors securely on the rail. The hardware conforms to ANSI/BHMA Grade 1 standards.

Who It Helps

Key Capabilities

SpecificationValue
Track Length3600 mm
Weight Capacity per Door147 Kg
Maximum Door Height3000 mm
Door Thickness Supported25.4 mm
Sliding TypeSliding and folding
Door MaterialWood
No. of Doors1 (per set)
Cover ProfileNo
Option for LockNo
MountingTop
Min. Headroom3 1/4" (82.5 mm)
Max. Headroom3 3/4" (92.5 mm)
ApplicationSingle, bi-parting & by-passing

Design and Build Details

Buyer Questions This Page Should Answer

How heavy a door can this hardware support?

Up to 147 kg per door.

What is the maximum door height and thickness it supports?

Maximum door height is 3000 mm, and it supports door thickness of 25.4 mm minimum.

What track length does this kit include?

A 3600 mm track/runner.

Can it be used for bi-parting or by-passing doors, or only single doors?

Yes. It supports single, bi-parting, and by-passing configurations. By-passing doors require parallel track mounting; bi-parting doors require an additional set of hardware.

What door material is this designed for?

Wood doors.

Does this kit include a lock or cover profile?

No. It does not include a lock option or a cover profile.

How much headroom is needed for installation?

Minimum 3 1/4" (82.5 mm) and maximum 3 3/4" (92.5 mm) of headroom.

What warranty is offered?

10 years.

Proof or Trust Signals

Resources or Next Steps

Current product facts

Last checked by Readable: 2026-09-26T18:46:49.717Z