Undermount Drawer Slides, 40 Inch, Full Extension, 260 Lb

40 inch undermount drawer slides deliver full-extension access and a stable, heavy-duty glide for under-stair cabinets and deep storage drawers. Built from carbon steel with double-row ball bearings and a compact bottom-mount design, these rails help reduce sagging under load while keeping movement smooth. Multi-hole fixing supports flexible alignment for DIY replacements and custom cabinet builds.

• Delivers 3-stage full extension so you can reach items at the back without blind spots


• Supports up to 260 lb / 117 kg dynamic load for heavy drawers, tools, and pantry storage


• Reduces noise with an end muffler and smooth ball-bearing travel for quieter open/close


• Fits under-stair cabinets and deep drawers; bottom-mount design keeps the slide hidden


• Simplifies install with multi-hole fixing for easier positioning and secure fastening

Upgrade worn or undersized cabinet runners with a full-extension, ball-bearing glide built for demanding drawers. These heavy-duty bottom-mount rails are designed for smooth travel, stable closure, and easier access in tight spaces like stair cabinets, workshop storage, and office filing. For best results, choose a slide length that is less than or equal to your cabinet depth and leave adequate clearance between the drawer and cabinet bottom. Grab yours today and restore confident, quiet drawer movement.

• Size: 40 in (39.37 x 2.95 x 2.17 in / 1000 x 75 x 55 mm)


• Load capacity: 260 lb / 117 kg (dynamic)


• Extension type: 3-stage full extension


• Material: Carbon steel


• Color: Black


• Quantity: 1 pair (left + right)


• Net weight: 22.93 lb / 10.4 kg