BOLLARDS · SECURITY POSTS

When a vehicle jumps the curb, your bollards are the only thing that argues back.

Fixed, removable, or retractable — the right steel post protects your storefront, your staff, and your inventory without turning the lot into a fortress. Here’s how to choose the one that fits the way you actually work.

See the 10 bollards to compare

50+ years, family-run  ·   Steel & stainless  ·   200+ powder-coat colors  ·   Ships nationwide

See the 10 bollards to compare

Every owner remembers the first close call. A delivery truck reverses a foot too far. A driver mistakes the gas for the brake in the parking lot. A pickup rolls because someone forgot the e-brake on a slope. In the moment, the only thing standing between two tons of moving metal and your front window is whatever you put in its path — and most businesses haven’t put anything there at all.

The good news: the fix is simple, physical, and permanent. The real question was never whether you need a bollard. It’s which kind — because the wrong one either blocks access you need or leaves a gap you’ll regret.

WHY A POST, WHY NOW

Storefront crashes aren’t rare. They’re routine.

Vehicle-into-building incidents happen across the U.S. every single day — industry safety groups put the count in the dozens daily. Most aren’t dramatic headlines. They’re a planter knocked loose, a glass door shattered, an entryway closed for a week of repairs, and a claim that quietly raises next year’s premium.

Then there’s the deliberate kind.

Smash-and-grab and ram-raid theft — where a vehicle is driven straight through a storefront to clear it out in seconds — have pushed more retailers and warehouses toward hardened entrances. A well-anchored steel bollard is the cheapest layer of that protection: it doesn’t call in sick, it doesn’t need a password, and it works the same at 3 a.m. as it does at noon.

A bollard’s job is blunt and honest: stop or slow a vehicle, guide foot traffic, and mark a line that says not past here.

THE 30-SECOND PRIMER

What a bollard actually is

A bollard is a short, reinforced vertical post — almost always steel — set into or onto the ground to stop or steer vehicles while letting people walk through freely. You’ve passed hundreds of them: in front of fuel pumps, along sidewalks, ringing loading docks, lined up outside every big-box entrance.

Here’s the part most buyers miss: a bollard is only as strong as how it’s anchored, and only as useful as how easily you can move it. Those two variables — how it’s mounted, and whether it comes out — are exactly what separate the three types you’re about to compare.

FIXED · REMOVABLE · RETRACTABLE

Three ways to plant a post — and when to use each

Same stopping job. Completely different day-to-day. The difference comes down to one thing: how often you need a vehicle to get through.

Fixed Bollards

PERMANENT

Bolted down and there for good.

A fixed bollard mounts straight to your existing concrete on a steel baseplate with pre-drilled holes — no excavation, no rebar, no waiting for a footing to cure. Anchor it down and it’s on duty in an afternoon.

 

Best for: permanent perimeters, storefronts, corners & pillars

Removable Bollards

LIFT-OUT ACCESS

Lift out by hand when you need the lane.

A removable bollard drops into a flush in-ground sleeve and locks with a padlock. When an authorized truck, forklift, or emergency vehicle needs through, one person lifts it out and stores it; lock it back in when they’re done. Same stopping power as fixed — on your schedule.

 

Best for: fire lanes, loading zones, occasional access

Retractable Bollards

DROP-DOWN

Drops into the ground — never leaves the site.

A retractable bollard lowers into a deep in-ground housing instead of coming all the way out, then locks flush for vehicles to roll over and rises back up in seconds. It’s manual drop-down: no power, no hydraulics, no maintenance — and nothing to carry off and lose.

 

Best for: daily access points, gated drive lanes

THE DECISION

Choose by two questions, not twenty

Spec sheets get overwhelming fast. Ignore most of it. Two questions get 90% of buyers to the right post.

Q1  How often do vehicles need through?

NeverFixed
Permanent line. Bolt it down and forget it.

SometimesRemovable
Lift it out for the delivery or the fire lane, lock it back after.

DailyRetractable
Drop it, drive over, raise it — in seconds, all day, nothing to carry.

Q2  What’s the environment?

Dry / indoorCarbon steel
Q235 steel in safety-yellow powder coat. Maximum strength per dollar.

Wet / coastalStainless
SS304 post with an SS316 sleeve resists salt, washdown, and rust.

High-impactGo 6″
6″ diameter adds mass & wall over 4″ for heavier traffic; 4″ suits tighter spots and lighter duty.

Standard height is 36″ above grade. Not sure after these two questions? That’s exactly what our team is for — tell us how the lot is used and we’ll spec it with you.

BUILT TO OUTLAST THE PARKING LOT

What you’re actually paying for

Heavy-wall steel
Q235 carbon-steel posts with a 5–6mm wall — the mass that turns a bumper tap into a scuff instead of a hole.

Stainless where it’s wet
SS304 posts paired with corrosion-resistant SS316 sleeves for coastal, washdown, and food-grade sites.

Engineered sleeves
Removable and retractable models seat in purpose-built in-ground sleeves — retractables go 42″ deep so the post locks solid, then disappears.

Surface-mount that’s ready today
Fixed bollards anchor to existing concrete with a ⅜″ baseplate and pre-drilled holes — no excavation, no rebar, no cure-time wait.

200+ powder-coat colors
Match your brand, your safety code, or high-visibility RAL 1023 yellow — with reflective strips available on drop-down models.

One supplier, the whole line
Fixed, removable, retractable, embedment, and baseplate systems — in steel or stainless, 4″ or 6″ — all from one source.

THE LINEUP

10 bollards worth comparing

Our core security-post lineup, grouped the way you’ll actually shop it. Tap any post for full specs, options, and current pricing.

Removable — lift out for access  padlock-locking · in-ground sleeve

Removable Steel Bollard 4″ × 36″ — Sleeve & Padlock

4″ dia · 36″ H · Q235 steel · safety yellow · padlock

View specs & pricing →

Removable Steel Bollard 6″ × 36″ — Sleeve & Padlock

6″ dia · 36″ H · Q235 steel · safety yellow · padlock

View specs & pricing →

Removable Stainless Bollard 4″ × 36″ — Sleeve

4″ dia · 36″ H · SS304 post · SS316 sleeve

View specs & pricing →

Removable Stainless Bollard 6″ × 36″ — Sleeve

6″ dia · 36″ H · SS304 post · SS316 sleeve

View specs & pricing →

Retractable — drop down & drive over  manual · no power, no maintenance

Retractable Yellow Steel Bollard 4″ × 36″ — Drop-Down

4″ dia · 36″ H · Q235 steel · 42″ deep sleeve

View specs & pricing →

Retractable Stainless Bollard 4″ × 36″ — Drop-Down

4″ dia · 36″ H · SS304 · SS304 sleeve · reflective

View specs & pricing →

Fixed — permanent surface-mount  baseplate · anchors to existing concrete

Fixed Steel Bollard 4″ × 36″ — Baseplate Surface-Mount

4″ dia · 36″ H · 6mm wall · ⅜″ baseplate

View specs & pricing →

Fixed Steel Bollard 6″ × 36″ — Baseplate Surface-Mount

6″ dia · 36″ H · ⅜″ baseplate

View specs & pricing →

Fixed Stainless Bollard 4″ × 36″ — Baseplate Mount

4″ dia · 36″ H · SS304 · ⅜″ baseplate

View specs & pricing →

Fixed Stainless Bollard 6″ × 36″ — Baseplate Mount

6″ dia · 36″ H · SS304 · ⅜″ baseplate

View specs & pricing →

Browse the full bollard collection →

30 Day Returns

Serving All 50 States

WHERE THEY EARN THEIR KEEP

One post, a dozen jobs

Storefronts & glass

Hold the line between the parking lot and your front window.

Loading docks

Protect dock doors, edges, and equipment from backing trucks.

Parking & islands

Shield pedestrians, pump islands, and pay stations.

Warehouses

Guard racking uprights, machinery, and walk lanes.

Fire & access lanes

Removable & retractable posts open the lane only when needed.

Coastal & washdown

Stainless 304/316 stands up to salt air and daily hose-downs.

WHY BUYERS CALL US

Built by people who still pick up the phone

Source 4 Industries has been family-owned and operated since 1972 — the same founder who started the business is still its president. We’ve grown from one product line into a nationwide supplier of material-handling and safety equipment, but the way we sell hasn’t changed: tell us the job, and we’ll help you spec it right the first time.

50+ years, family-run
A business that answers for what it ships — same owner since 1972.

The whole bollard line
Fixed, removable, retractable, embedment & baseplate — steel or stainless, 4″ or 6″.

200+ powder-coat colors
Match your brand, your safety code, or high-vis yellow — plus multiple cap styles.

Ships to all 50 states
Volume and contractor pricing available — just ask for a quote.

QUESTIONS, ANSWERED

Bollard FAQ

Which bollard type do I actually need?

Start with one question: how often does a vehicle need to pass that spot? Never → a fixed bollard. Sometimes (deliveries, fire lane) → a removable bollard you lift out and lock back. Daily → a retractable bollard you drop and raise in seconds. Then pick the material for your environment (steel indoors/dry, stainless for coastal or washdown).

Steel or stainless — which should I choose?

Carbon steel (Q235) in a safety-yellow powder coat gives you the most strength per dollar and is ideal for dry, indoor, and most outdoor sites. Choose stainless — an SS304 post with a corrosion-resistant SS316 sleeve — for coastal air, frequent washdowns, food-grade areas, or anywhere a polished, high-visibility look matters.

Does 4″ vs 6″ diameter matter?

Yes. A 6″ post carries more mass and wall than a 4″, so it resists heavier impacts — a common pick for truck traffic and high-risk corners. A 4″ post is lighter, lower-cost, and fits tighter spaces and lighter-duty spots. Both come standard at 36″ above grade.

Can a bollard really stop a vehicle?

A properly anchored steel bollard is built to resist and deter vehicle impact, and that resistance scales with diameter, wall thickness, and how it’s mounted. Note that impact performance varies by configuration; these are security and perimeter posts, not certified crash-rated barriers unless a specific rating (for example ASTM F2656 / K-rating) is called out. If you need a documented crash rating, contact us and we’ll confirm the right specification for your site.

Do removable bollards lock in place?

Yes. Removable models seat into a flush in-ground sleeve and secure with a padlock, so they hold like a fixed post until an authorized person unlocks and lifts the post out for access — then locks it back afterward.

How are surface-mount (baseplate) bollards installed?

Fixed baseplate bollards anchor directly onto your existing concrete using a ⅜″ steel baseplate with pre-drilled holes and mechanical or chemical anchors. There’s no excavation, no rebar, and no waiting for a footing to cure — most installs are an afternoon job.

How deep do the in-ground sleeves go?

It depends on the type. Removable bollards use a shallower flush sleeve sized to the post. Retractable (drop-down) models use a deeper in-ground housing — about 42″ — so the post can lower fully below grade and still lock solid when raised.

Can I match my brand color or a safety code?

Yes — over 200 powder-coat colors are available, along with multiple cap styles. Most security applications use high-visibility RAL 1023 safety yellow, and reflective strips are available on retractable models for low-light visibility.

Do you ship nationwide, and can I get bulk pricing?

We ship to all 50 states, and volume and contractor pricing is available. For project quantities or a spec review, reach out to the team and we’ll put a quote together.

ONE LAST THING

Find the post that fits how you work

Fixed, removable, or retractable — in steel or stainless, 4″ or 6″. Compare the full lineup, or tell us the job and we’ll spec it with you.

Browse all bollards →

Talk to a bollard expert

30 Day Returns

Serving All 50 States

P.S. Not sure which type or diameter your site needs? Send us how the lot is used — the traffic, the access, the environment — and we’ll help you spec it. That’s been the job since 1972.