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Steel Spoke Specification Example for Municipal Fleets: All-Weather Version

Source:Integrated Rear Lights / Time:2026-09-18

Steel Spoke Specification Example for Municipal Fleets: All-Weather Version

This is a worked specification for steel spoke in a all-weather version programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The all-weather version version exists because the duty cycle on municipal fleets is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually packing that arrived crushed at the port.

Steel Spoke

Example specification

ItemSteel Spoke
ApplicationMunicipal Fleets
VersionAll-Weather Version
Base materialCast Iron
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishzinc plated
MOQ200 pieces per specification
Sampling7 working days, 5 days per revision
ComplianceDOT

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Cast Iron, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Steel Spoke example

Processes involved

  • heat treatment
  • surface grinding
  • powder coating
  • precision stamping
  • ultrasonic cleaning
  • die casting

Where this example applies

Programmes that run all-weather version most often specify this build for municipal fleets. Related applications include aftermarket retail, long-haul trucks, fleet maintenance, export programmes, racing teams.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 4.0 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

What happens if a lot fails inspection?

The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

What is the minimum order quantity?

The standard MOQ is 200 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

How is packing specified?

Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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