Hettich KA 4620/550 mm Over Extension Drawer Channel

Overview

The Hettich KA 4620/550 mm Over Extension is a telescopic drawer channel (runner) from Hettich's Invisible category, built for cabinet drawers that need full access to stored contents. It is part of Hettich's KA 4620 Over Extension drawer channel range, which is also sold in other lengths.

What It Does

The KA 4620 is an over-extension drawer runner that pulls the drawer fully out of the cabinet, giving complete access to contents stored at the back. It includes a pull-out stop and a roll-out guard to keep the drawer stable and prevent accidental derailment during use.

Product Facts

Who It Helps

• Modular kitchen and furniture fabricators who need a reliable 90kg-rated drawer channel for cabinets requiring full drawer extension.
• Interior designers and contractors specifying hardware for kitchen or wardrobe drawers where full access to the back of the drawer is required.
• Homeowners and renovators sourcing a direct Hettich replacement or upgrade part for existing cabinetry with a 554 mm minimum internal depth.

Key Capabilities

• 90 Kg loading capacity per set, suitable for heavier drawer loads.
• Over-extension mechanism for complete access to the drawer's contents.
• Pull-out stop and roll-out guard for added stability and safety during use.
• Galvanised steel construction with blue passivation and zinc finish for corrosion resistance.
• Tested for 20,000 open/close cycles.
• 10-year warranty.

Buyer Questions This Page Should Answer

What size drawer channel is this?

This listing is the 550 mm length. The same KA 4620 Over Extension channel is also available in 400 mm, 450 mm, 500 mm, 600 mm, 650 mm, and 700 mm sizes.

What minimum cabinet depth do I need?

The minimum cabinet internal depth required for the 550 mm channel is 554 mm.

How much weight can it hold?

Each set is rated for 90 Kg loading capacity.

How many runners come in one unit?

One package unit (Set) consists of 2 runners — enough for one drawer.

Is this currently available to buy?

What is the price?

What material is it made from?

Galvanised steel with blue passivation and a zinc finish, designed for durability and corrosion resistance.

Where is it manufactured?

Country of origin is Taiwan.

What warranty does it carry?

Hettich backs the KA 4620 with a 10-year warranty.

Comparison Context

The KA 4620 is Hettich's standard Over Extension telescopic channel line, sold across multiple lengths (400 mm to 700 mm) under SKU family 41392_P, with the 550 mm variant specifically listed under SKU 41395. Buyers choosing between sizes should match the channel length to their cabinet's internal depth requirement — each size requires a slightly larger minimum internal depth than its nominal length.

Next Steps

• Enquire online with Hettich Fittings for current stock and lead-time on the 550 mm Over Extension channel.
• Visit a nearest Hettich store to view the product and confirm fit for your cabinet depth.
• Consider other available sizes (400–700 mm) in the same KA 4620 Over Extension range if 550 mm does not match your cabinet depth.

Resources

• Hettich KA 4620/550 mm Over Extension — product page
• Hettich India Online — homepage