Industrial Guardrail Posts - Heavy Duty Steel Safety Barrier Posts
Industrial Guardrail Posts - Heavy Duty Steel Safety Barrier Posts - 18 inch is backordered and will ship as soon as it is back in stock.
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Industrial Guardrail Posts - Heavy Duty Steel Safety Barrier Posts - 18 inch is backordered and will ship as soon as it is back in stock.
Industrial guardrail posts – 4¾ in square steel posts for 18 in single-rail and 42 in double-rail barriers
The anchor point of a warehouse guard rail run. These heavy-duty steel guardrail posts bolt to the floor and carry the rails of a modular safety barrier. The 18 in post takes one rail, the 42 in post takes two. Every post is punched on all four sides, so one post can start a run, extend it, or turn a corner, and the rails bolt on with no drilling or welding. The system is rated at 12,000 lb at 4 mph.
Also called: guard rail posts, safety barrier posts, industrial guardrail posts, warehouse guardrail posts, steel barrier posts, bollard posts for guard rail. If you have been searching under any of those names, this is the product.

42 in double-rail and 18 in single-rail posts

4-way punched: start, extend or corner a run

10 x 10 x ½ in footplate, four anchors

42 in post carrying a double rail
Built for forklift traffic
- 4¾ x 4¾ in post, 3/16 in wall – heavy square steel tube, powder-coated safety yellow
- 10 x 10 x ½ in footplate with four 7/8 in holes; the four ¾ in concrete wedge anchors are included with every post
- Punched on all four sides, so the same post works as an end, inline, or corner post
- 12,000 lb at 4 mph impact rating for the assembled post-and-rail system
- Post cap and snap-in button plugs included to close the unused holes
Which post do you need
Pick the post by how many rails you want to run. The 18 in post carries a single rail at knee height for walkways, machinery and storage zones. The 42 in post carries two rails for dock doors, in-plant offices, inventory protection zones and anywhere forklifts travel. Rails are sold with the posts as starter and add-on kits on our steel guard rail system kits page; buy posts on their own here when you need extra corners, replacements, or a longer run.
| Post | Height | Rails it carries | Post section | Footplate | Anchors included | Weight |
|---|---|---|---|---|---|---|
| 18 in post | 18 in | 1 rail (single-rail system) | 4¾ x 4¾ x 3/16 in | 10 x 10 x ½ in | 4 x ¾ in wedge anchors | 30.5 lb |
| 42 in post | 42 in | 2 rails (double-rail system) | 4¾ x 4¾ x 3/16 in | 10 x 10 x ½ in | 4 x ¾ in wedge anchors | 52.1 lb |
What is in the box
- One steel guardrail post in the height selected, safety-yellow powder coat
- Four ¾ in concrete wedge anchors
- Post cap and snap-in button plugs
Rails and the rail-to-post bolts ship with the rails. Posts are stocked and ship in a few days.
Installation
- Set the post square to the run and mark the four footplate holes.
- Drill the concrete for ¾ in wedge anchors and set the anchors.
- Bolt the rails to the post faces you are using and plug the unused holes with the button plugs.
- Rail lengths are measured on post centers, so space posts at the rail length you ordered.
Protecting the racking itself? See our pallet rack column protectors and end of aisle rack protectors, or browse the full rack accessories range.
Frequently asked questions
Are the floor anchors included?
Yes. Each post ships with four ¾ in concrete wedge anchors, one for each hole in the 10 x 10 in footplate.
Do I need a different post for a corner?
No. Every post is punched on all four sides, so the same post makes an end, an inline joint, or a 90-degree corner. Snap-in plugs close the holes you do not use.
Can I use the 42 in post with only one rail?
Yes. The 42 in post has rail mounting holes at both levels, so you can run a single top rail now and add the lower rail later. For a knee-height barrier only, the 18 in post is the lower-cost choice.
Where do the rails come from?
Rails are sold on our steel guard rail system kits page as starter kits (two posts plus rails) and add-on kits (one post plus rails) in lengths from 24 to 120 in. Use this page when you need posts on their own.
How strong is the system?
The post-and-rail system carries an impact rating of 12,000 lb at 4 mph, which covers a loaded forklift at walking speed. The posts are 3/16 in wall steel on a ½ in thick footplate.
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