Sugatsune Concealed Hinges | Nessco Trade Supplies

HES HINGES

Discover the Lift-Assist Damper (LAD) Range

Choose from These Trusted LAD Models

LAD-ST-H – Heavy-duty stay with integrated lift-assist and soft-close functions. Supports flap panels between 15–40mm and up to 163.2 kgf·cm torque. Ideal for retrofit bar and counter flaps with a smooth 95° opening.
LADH-35 – Mid-strength model with powerful lift-assist and soft-close damping. Rated for torque between 254–355 kgf·cm, it’s suited to commercial countertops where safety and ease-of-use are essential.
LADH-50 – High-capacity version designed for large or heavier countertop flaps. With a torque range up to 508 kgf·cm, it includes a stainless steel piano hinge and delivers strong support, safety, and smooth motion for oversized flaps.

Why Architects Choose Sugatsune’s HES Range

Soft-close damper prevents injury and damage from slamming
Lift-assist mechanism reduces effort, improving accessibility
95° integrated stopper prevents over-extension and holds flaps open
Simple surface-mount installation, perfect for retrofits and upgrades
Trusted by commercial fit-outs, healthcare, hospitality, and public spaces

Sugatsune’s LAD Series Damper Stays are designed to combine smooth motion, soft-close safety, and ergonomic lift-assist functionality in one compact solution. Ideal for countertop flaps and pass-through hatches in bars, restaurants, reception areas, and medical or educational facilities, these stays reduce the effort needed to open panels while eliminating slamming on close. Featuring surface-mounted, retrofit-ready installation, integrated angle stoppers, and soft-close dampers that engage even from partial openings, the LAD series enhances both accessibility and safety across commercial joinery environments.

Our Lift-Assist Damper Range

LAD-ST-H

The LAD-ST-H is a heavy-duty lift-assist damper stay designed for countertop flaps and service hatches in bars, cafés, and commercial spaces. With its lift-assist mechanism and soft-close damping, this stay provides smooth, controlled motion, even from low angles, and helps prevent sudden slams on hands and fingers. Its 95° opening angle is supported by an integrated stopper, making it ideal for high-traffic service environments. Installation is simple thanks to its surface-mount design, and it’s compatible with flap panels ranging from 15–40mm in thickness.

Specifications:

Opening Angle: 95° (with built-in stopper)
Torque Range (per piece): 137.7–163.2 kgf·cm (119.7–141.9 lbs·in)
Panel Thickness Compatibility: 15–40mm
Mounting Style: Surface-mounted (retrofit friendly)
Material: ABS / Polyacetal / Steel / Zinc Alloy
Finish: Off White / Chrome / Nickel
Weight: 699g
Soft-Close: Yes, damper engages from low opening angles
Additional Features: Lift-assist mechanism, installation template included

LADH-35

The LADH-35 is a high-torque lift-assist damper stay, ideal for heavy-duty countertop flaps and service openings in bars, reception areas, and commercial spaces. With a powerful yet smooth lifting mechanism, it’s designed to make opening and closing large panels effortless, especially for children, elderly users, or those with reduced mobility. The built-in soft-close damper reduces slamming and engages even when the flap is only slightly opened. A 95° opening stopper adds safety and control. Designed for easy retrofitting, the LADH-35 mounts cleanly onto existing structures using the included template and screws.

Specifications:

Opening Angle: 95° (with built-in stopper)
Torque Range (per piece): 254–355 kgf·cm (221–309 lbs·in)
Panel Thickness Compatibility: 30–50mm
Mounting Style: Surface-mounted (retrofit friendly)
Material: Steel (SPCC)
Finish: Nickel Plated
Weight: 2000g
Soft-Close: Yes, damper engages at low angles
Additional Features: Lift-assist, RoHS 2 compliant, installation template and fasteners included

LADH-50

The LADH-50 is Sugatsune’s heavy-duty lift-assist and soft-close damper stay, designed for larger countertop flaps in commercial environments like bars, restaurants, and reception desks. Built to handle high torque applications, this stay features a smooth lift-assist mechanism and soft-close functionality that activates even from a partially open position, preventing accidental slams and improving safety. With a built-in 95° opening stopper and easy surface-mount installation, it’s ideal for retrofits and new builds alike. The included stainless steel piano hinge ensures strength and alignment across larger panels.

Specifications:

Opening Angle: 95° (stopper-equipped)
Torque Range (per piece): 355–508 kgf·cm (309–442 lbs·in)
Panel Thickness Compatibility: 30–50mm
Mounting Style: Surface-mounted with template (retrofit friendly)
Material: Steel (SPCC)
Finish: Nickel Plated
Weight: 2000g
Soft-Close: Yes, damper activates at low opening angles
Additional Features: Lift-assist function, stainless steel piano hinge included, RoHS 2 compliant

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Applications of the Lift-Assist Damper Range

Countertop Pass-Throughs in Hospitality

LAD stays are perfect for bar tops, café counters, and service windows where staff need smooth, controlled access. The soft-close function ensures panels don’t slam shut during busy periods, while the lift-assist reduces strain over repeated use.

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Kitchens & Butler's Pantries

LAD stays add both safety and convenience to kitchen pass-throughs, concealed prep areas, and butler’s pantries. Their soft-close action prevents damage to cabinetry, and the lift-assist function supports ease of use when hands are full.

Reception Desks & Check-In Counters

In commercial lobbies and medical clinics, LAD stays provide a safe and elegant solution for lift-up flaps that allow temporary access. The 95° stopper keeps panels securely open, ideal for accommodating wheelchairs or equipment during client interaction.

Retrofitting in Renovation Projects

With surface-mount installation, LAD stays can be added to existing cabinetry without structural changes. They’re ideal for upgrading older bar or counter spaces with modern soft-close performance and ergonomic lift support.