2 Pack 400-900 mm Undermount Drawer Runners Slides, 120kg Load Capacity

• 120KG LOAD CAPACITY: 1 pair undermount drawer runners support up to 120kg, suitable for heavy base drawers, stair cabinets, storage cabinets and pull-out drawer systems.
• 400-900 MM SIZE RANGE: Adjustable 400-900 mm drawer runners slides fit different cabinet depths, offering flexible use for custom drawers, bottom mounted rails and hidden drawer projects.
• 2MM ALLOY CONSTRUCTION: Made of 2mm thick alloy steel with a black finish, these heavy duty drawer runners provide a sturdy metal rail structure for repeated cabinet use.
• BOTTOM MOUNTED DESIGN: Hidden under drawer installation keeps the drawer side cleaner, making the bottom mounted drawer slides suitable for cabinets, workbenches and stair storage units.
• M4 SCREW FITTING NOTE: Designed for M4 screws, screws are not included, allowing users to select proper fasteners based on cabinet material, drawer weight and installation position.

Why Choose Our Undermount Drawer Runners? This pair of undermount drawer runners is designed for users who need heavy duty drawer slides for stair cabinets, base cabinets, storage drawers, workbench drawers and custom pull-out systems. With a 400-900 mm adjustable size range, 2mm alloy construction and 120kg load capacity, the black bottom mounted drawer rails provide a practical solution for hidden drawer installation where strength, smooth access and cabinet space use matter. Key Features: 120kg Load Capacity - Supports up to 120kg, making these heavy duty drawer runners suitable for base cabinet drawers, stair storage drawers and large pull-out cabinet systems. 400-900 mm Adjustable Range - The 400-900 mm drawer runners slides help fit different cabinet depths, offering flexible installation for custom furniture and storage projects. 2mm Alloy Metal Rails - Built with 2mm thick alloy steel, the metal drawer rails provide a solid structure for repeated opening and closing in daily cabinet use. Bottom Mounted Hidden Design - The undermount drawer slides install under the drawer, helping keep the side appearance cleaner while supporting concealed drawer rail installation. M4 Screw Compatibility - Designed for M4 screws, with screws not included, giving users flexibility to choose proper hardware for wood, cabinet board or workshop drawer setups. Why It's Essential: Helps upgrade heavy drawers with stronger sliding support. Suitable for stair cabinets, base cabinets and storage drawers. Hidden bottom mount design keeps cabinet sides cleaner. Adjustable length supports more cabinet depth options. Clear M4 screw requirement helps users prepare installation hardware. This 1 pair undermount drawer runners set is a practical choice for heavy duty cabinet drawer projects. With a 400-900 mm adjustable range, 120kg load capacity, 2mm alloy construction and black hidden bottom mounted rail design, it works well for stair cabinets, base drawers, workshop storage and custom pull-out drawer systems.