Order by 24/7 by web, contact our sales reps or call by phone.
What you need, when you need it, all in one place.
Most orders ship same day.
Advice and support from knowledgeable professionals.
HDS-30 Right-Hand Heavy Duty Soft-Down Stay Black is a Sugatsune America down stay designed for upward-opening flap doors, so the flap opens and closes in a controlled way on wall or overhead cabinets. As a right-hand heavy duty down stay, it supports the flap motion on the right side, which matters when you are laying out hinge positions and balancing loads across the opening. Being part of Sugatsune Americas lid supports and stays class, it is built specifically to manage flap movement rather than acting as a general hinge, so the hinge set handles pivoting while this stay manages the opening and closing action. The black finish provides a dark, unobtrusive look on darker casework, which helps keep visible hardware from standing out inside or under the cabinet. The HDS-30 design latches the flap closed and holds it fully open, so the door stays shut when stored and stays in position when lifted.
The HDS-30 soft-down stay is specified for use with piano, butt, or concealed hinges, so the stay works alongside these hinge types to manage flap motion on upward-opening fronts. Using it in pairs spreads the load across both sides of the flap, which supports the stated heavy duty role and helps keep the movement more balanced on wider or heavier doors. The right-hand designation defines which side of the cabinet opening this specific stay serves, so an installer can match left and right components appropriately when laying out a pair. Because the HDS-30 is designed to latch the flap closed and hold it fully open, careful positioning on the case and flap helps the latching points line up with the intended closed and open positions.
This Sugatsune America HDS-30 soft-down stay is specified for upward-opening flap doors, so it suits overhead cabinets or wall units where the door lifts up and out of the way. Being a down stay within the lid supports and stays class, it is used on flaps that swing upward and then rely on the stay to control the motion down when closing. The product description calls out use in pairs, so it is intended for flaps where two stays share the work across the width of the door. Its compatibility with piano, butt, or concealed hinges allows it to be integrated into different hinge layouts, from continuous piano hinges on long runs to concealed hinges on modern cabinet fronts. The right-hand heavy duty configuration matches applications where the right side of the flap needs a dedicated stay sized for higher torque ranges.
The HDS-30 system is designed to securely latch a flap closed and hold it in the fully opened position, so the flap does not drift when shut and stays at its intended open angle during use. The stated torque calculation, where torque equals door height times one-half times door weight, provides the basis for sizing the stay to the flap, so the installer can match the flap geometry and mass to an appropriate HDS-30 range. The listed K-type, M-type, and H-type torque bands run from 140 to 300 kgf.cm, which corresponds to 121 to 260 lbs. inch per pair, so each pairing can be matched to lighter or heavier fronts within that torque window. Since the HDS-30 operates in pairs, the torque range per pair helps define how wide or heavy a flap the system is meant to handle in service.
The HDS-30 Right-Hand Heavy Duty Soft-Down Stay Black is specified for upward-opening flap doors, so it suits flaps that lift up and then close downward under control.
The HDS-30 is a right-hand down stay, so it mounts on the right side of the upward-opening flap door, working with hinges to control opening and closing.
The HDS-30 is described as used in pairs, so two stays share torque across both sides of the door, supporting heavier or wider upward-opening flaps.
The HDS-30 is intended for use with piano, butt, or concealed hinges, so it can be integrated into different hinge layouts on flap-front cabinets.
The HDS-30 torque calculation uses torque equal to door height times one-half times door weight, guiding selection of the K, M, or H torque range.
The HDS-30 system lists K-type at 140-200 kgf.cm, M-type at 200-250 kgf.cm, and H-type at 250-300 kgf.cm per pair, covering 121-260 lbs. inch applications.
The Sugatsune America HDS-30 Right-Hand Heavy Duty Soft-Down Stay Black is built for upward-opening flap doors where controlled motion and positive latching matter. With defined torque ranges from 140 to 300 kgf.cm per pair and a clear calculation method, it ties flap height and weight directly to stay selection. The ability to work with piano, butt, or concealed hinges lets this down stay serve different cabinet styles while managing the opening and closing of the flap. For projects needing a right-hand heavy duty soft-down stay in black, the HDS-30HR/BLK configuration provides a targeted option.