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Stem Mount • Total Lock Brake • 1/2"-13 Thread

Stem Mount Total Locking Casters (3"–5") — 1/2"-13 Threaded Stem

Stem mount total locking casters lock both the wheel and the swivel (wheel-and-swivel locking brake) so carts and equipment stay stationary, aligned, and safe when parked. Choose from 3", 3.5", 4", and 5" wheel sizes with ratings up to 350 lb per caster (approximately ~1,400 lb per set of four under even loading).

These are commonly used for medical equipment, worktables, mobile carts, and racks where stable “park and stay” positioning matters.

Wheel sizes: 3" • 3.5" • 4" • 5"
Capacity: up to 350 lb per caster
Stem: 1/2"-13 (1"–1.5" long)
Wheel types: TPR • PU • solid poly • steel • phenolic • polyolefin

Fit note: 1/2"-13 is the standard stem in this category. Longer stems may be available upon request. Confirm stem thread + stem length before ordering.

Quick Selection Guide + Related Total Lock Categories

Quick Selection Guide

Capacity reminder: up to 350 lb each (~1,400 lb per set of 4 under even loading).

Designed for fast, correct selection

A clear fit guide improves ordering accuracy and helps customers choose the right caster configuration.

Specs-first Cleaner decisions
Plate mount total locking casters 3 to 5 inch wheels with 2-3/8 x 3-5/8 top plate

Total Locking Plate Mount Casters (3"–5")

Plate 2-3/8" × 3-5/8" • Up to 350 lb per caster

Bolt-on mount Carts • OEM
Shop Plate Mount Total Lock
Heavy duty plate mount total locking casters 4 to 8 inch wheels with 4 x 4-1/2 top plate up to 1250 lbs

Heavy Duty Total Locking Casters (4"–8" Plate Mount)

Plate 4" × 4-1/2" • Up to 1,250 lb per caster (~5,000 lb set)

High load Industrial
Shop Heavy Duty Total Lock

Browse all configurations in the parent category: Total Locking Casters.

Stem Mount Total Lock Caster Specs (1/2"-13)

Specification Details
Wheel diameter 3", 3.5", 4", 5"
Per-caster capacity Up to 350 lb per caster
Estimated set capacity (4 casters) ~1,400 lb under even loading (real-world safe capacity can be lower with uneven floors/dynamic loads)
Stem mount 1/2"-13 threaded stem
Stem length Common 1"–1.5" long (longer stems may be available upon request)
Brake type Total lock (locks wheel rotation + swivel)
Wheel materials Non-marking TPR, polyurethane, solid poly, phenolic, polyolefin, steel, and more
Wheel material shortcuts: TPR = quieter & shock-absorbing • PU = durable all-around • harder wheels = efficient roll on smooth floors.

How to Choose the Best Stem Mount Total Locking Caster

  • Confirm stem fit: match 1/2"-13 thread and stem length (1"–1.5" common).
  • Choose wheel size: 4"–5" rolls easier over thresholds and debris; 3"–3.5" keeps overall height lower.
  • Select wheel material: pick based on noise, floor protection, chemicals, and load behavior.
  • Size for real conditions: account for uneven floors, corner loading, impacts, and dynamic movement.
  • Total lock advantage: locks swivel + wheel to reduce drift when parked.

FAQs: Stem Mount Total Locking Casters

What is a total locking stem caster?

A total locking stem caster uses a brake that locks both the wheel rotation and swivel movement for maximum stability when parked.

What wheel sizes are available in this category?

3", 3.5", 4", and 5" wheel sizes are available.

What is the maximum capacity per caster?

Up to 350 lb per caster depending on wheel size, wheel material, and caster configuration.

What stem thread is standard?

1/2"-13 is the standard threaded stem in this category.

What stem lengths are common?

Common stem lengths range from 1" to 1.5". Longer stems may be available upon request.

Does total lock prevent swivel drift?

Yes. Total lock brakes secure both the wheel and swivel to reduce drift compared to wheel-only brakes.

Which wheel material is best for quiet rolling?

Thermoplastic rubber (TPR) is typically quieter and more shock-absorbing.

Which wheel material is a durable all-around choice?

Polyurethane (PU) is a durable all-around choice that balances performance and floor protection.

Stem mount vs plate mount — what’s the difference?

Stem mount casters install into a socket using a threaded stem. Plate mount casters bolt to a top plate on carts and platforms.

How do I estimate capacity for a set of four casters?

A quick estimate is 4 × the per-caster rating. For uneven floors, impacts, and dynamic movement, add a safety margin and size up.

 

Caster Engineering Tools

These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.

CasterSpec Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
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Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
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PushForce Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
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