Accuride AL4120 Corrosion-Resistant Heavy-Duty Aluminum Slide, 16-48 in., 3/4 Extension, 1212 lb

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Accuride AL4120 Corrosion-Resistant Heavy-Duty Aluminum Slide, 16-48 in., 3/4 Extension, 1212 lb


The Accuride AL4120 is a corrosion-resistant super heavy-duty ball-bearing slide in aluminum, rated for 1212 lb and offered in side-mount 3/4 extension lengths from 16 to 48 in. Sold as 1 pair (one left and one right member) for one drawer. Fastened with 5/16 in or M8 screws.


Key Features:

  • Super heavy-duty capacity: Rated at 1212 lb load capacity with ball-bearing glide action.
  • Corrosion-resistant aluminum: Aluminum construction provides corrosion resistance for demanding environments.
  • Nine lengths: Available in 16, 20, 24, 28, 32, 36, 40, 44 and 48 in. lengths.
  • 3/4 extension: Extends to 3/4 of its travel; the 48 in. slide travels 35.58 in.
  • Slim side space: Requires 1.42 in. of side space per slide.
  • Non-disconnect: Non-disconnect design keeps the slide members permanently engaged.

Specifications Table:

Specification Details
Brand Accuride
Sell unit 1 pair
Material Aluminum
Series AL4120
Available lengths 16 in., 20 in., 24 in., 28 in., 32 in., 36 in., 40 in., 44 in., 48 in.
Available finishes Aluminum
Extension 3/4 extension
Load rating 1212 lb
Mounting Side mount
Closing Non-soft-close ball-bearing glide, non-disconnect
Side clearance 1.42 in. side space
Screw size 5/16 in. or M8
Overall height 3.15 in. OAH
Overall width 1.42 in.
Extended length 83.58 in. at 48 in. length
Travel 35.58 in. (48 in. slide)

Fit and Compatibility:

Designed as a standalone super heavy-duty side-mount slide for industrial drawers, trays and equipment shelves requiring 1212 lb capacity. Mounts to cabinet or chassis sides with 5/16 in. or M8 screws; confirm 1.42 in. side clearance per slide.


Frequently Asked Questions (FAQ):

Q: What is included in an order?
A: Slides are sold as 1 pair, one left and one right member, enough for one drawer.


Q: What length should I choose?
A: Pick a slide length close to your drawer depth so the fully closed slide is supported end to end; lengths run 16 through 48 in.


Q: How much side space does it need?
A: Each slide needs 1.42 in. of side space per the printed specification.


Q: Does it disconnect for drawer removal?
A: No, the AL4120 is a non-disconnect slide.


Q: What screws does it use?
A: The specification calls for 5/16 in. or M8 mounting screws.


Q: Why aluminum instead of steel?
A: Aluminum gives this super heavy-duty slide its corrosion resistance; steel heavy-duty slides of this class are typically zinc-plated.


Expert Verdict — Reviewed by the SuperArbor Pro Desk

Choose AL4120 when a drawer or tray must carry extreme weight in a corrosive or washdown environment where steel slides would rust. Match slide length to drawer depth so the load is supported when closed, and verify cabinet sides can handle the fastener schedule of 5/16 in. or M8 screws. Because it is non-disconnect, plan removal clearances up front; if you need full access to deep trays, the AL4140 full-extension sibling in the same family may serve better.

Because these slides carry very heavy loads, anchor both members with the specified 5/16 in. or M8 screws into sound structure and never exceed the 1212 lb rating.


Order the Accuride AL4120 corrosion-resistant heavy-duty slide in your length today.

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All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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