Buy Bolt Hole Castors Online in Australia
Bolt-Hole Castor Selection — Quick Reference
Bolt-hole castors mount via a SINGLE THROUGH-BOLT (vs plate or stem castors) — used on shop fittings + retail display + light racking + furniture where a clean single-point fixing matters. Compact, easy to install, lower-capacity than plate castors.
| Bolt-Hole Castor Type | Best For | Capacity Range |
|---|---|---|
| Light-Duty Plastic Body | Furniture + light shop fittings + display | 15 – 50 kg per castor |
| Medium-Duty Steel Body | Retail display + light storage + general workshop | 50 – 150 kg per castor |
| Heavy-Duty Industrial Steel | Workshop trolleys + racking + heavier display | 150 – 400 kg per castor |
| Braked Bolt-Hole Castor | Lockable position — display + workshop precision | Per body capacity |
| Swivel Bolt-Hole Castor | 360° rotation — manoeuvrable in tight spaces | Per body capacity |
| Fixed Bolt-Hole Castor | Directional only — guidance castors | Per body capacity |
| Stainless Steel Bolt-Hole Castor | Food + medical + corrosive environments | Per spec |
Sizing: Bolt hole diameter must match the through-bolt; bolt length = furniture/equipment thickness + castor mounting depth + nut. Wheel material: match to floor — polyurethane for industrial concrete, rubber for retail tile, plastic for light furniture. Brand: EasyRoll (AU industrial leader). Companion: castors, castors + wheels, standard wheels.
Bolt Hole Castors for Equipment Frames
Bolt hole castors are designed for one specific job: attaching directly to equipment frames and platforms using through-bolts. Instead of a stem mount, these castors feature a mounting plate with a central hole through which you pass a bolt. This creates a rock-solid connection ideal for workstations, tooling carts, and machinery bases where movement must be precise and damping controlled.
Why Choose Bolt Hole?
When you need castors that sit flush with a mounting surface and won't rattle, bolt hole is the answer. The bolt passes completely through the mounting plate, distributing load evenly across your frame. This design is standard in manufacturing, maintenance, and engineering workshops across Australia.
EasyRoll Bolt Hole Range
Our bolt hole castors come in swivel and fixed configurations, with wheels in:
- Thermoplastic Rubber (TPR) — Quiet, shock-absorbing, excellent for hard workshop floors.
- Nylon — Lightweight and chemical-resistant; ideal for wet environments.
- Rubber — Classic grip and protection; all-purpose choice for most floors.
Load Ratings and Specifications
Each bolt hole castor is rated for a specific load capacity. Check your equipment weight and divide by the number of castors to ensure you're within safe working limits. If you need guidance on sizing or selection, contact our team.
People Also Ask — Bolt-Hole Castors
Q: What's a bolt-hole castor?
A bolt-hole castor mounts via a central bolt passing through the swivel-head hole — alternative to top-plate castors (4 corner bolts). Bolt-hole mounting is faster (one bolt vs four) and suits applications with limited mounting space or where the chassis design has a single bolt boss. Common on lighter-duty applications: office furniture, light trolleys, hospital equipment, light retail fittings. For heavy-duty mobile equipment, top-plate castors typically preferred for load distribution.
Q: What load can bolt-hole castors handle?
Lower load ratings than equivalent-size top-plate castors — typically 50-200kg per castor depending on size. The single bolt mount concentrates load through one point rather than spreading across four. For loads above 200kg per castor, switch to top-plate mounting for safety margin. Match the rated capacity (printed on the castor) to your maximum static + dynamic load.
Q: How do I size a bolt-hole castor bolt?
Match the bolt to the castor's mounting hole diameter — common sizes M10, M12, M14, M16. The bolt thread length depends on the chassis thickness and required nut engagement. Use grade 8.8 or higher for any load-bearing application. Include a lock washer or Nyloc nut to prevent vibration loosening. For mobile equipment, periodic check of bolt tightness extends castor life and prevents failures.
Q: Swivel head or fixed bolt-hole castor?
Swivel head: rotates 360° on the central bolt for steering — used at the front of trolleys and mobile equipment for manoeuvrability. Fixed: doesn't rotate, used at the back to maintain straight-line tracking. Standard 4-castor pattern: 2 swivel front + 2 fixed rear. All-swivel for maximum manoeuvrability (warehouse picking trolleys etc.). Match castor pattern to typical use.
Q: What wheel material for bolt-hole castors?
Polyurethane: workshop and warehouse standard, quiet, doesn't mark floors, good load capacity. Rubber: shock-absorbing, suits uneven floors but lower load. Nylon: hardest, lowest rolling resistance, used on smooth concrete. Pneumatic: outdoor and rough-floor use. Match the wheel material to the floor surface. Smooth concrete: nylon or PU. Rough surfaces: pneumatic or rubber. Outdoor wet areas: PU or rubber with sealed bearings.