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Steel Spoke Specification Example for Workshop Replacements: Fixed Type

Source:Car Paint Protection Film / Time:2026-09-18

Steel Spoke Specification Example for Workshop Replacements: Fixed Type

This is a worked specification for steel spoke in a fixed type 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 fixed type version exists because the duty cycle on workshop replacements is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually inconsistent hardness between lots.

Steel Spoke

Example specification

ItemSteel Spoke
ApplicationWorkshop Replacements
VersionFixed Type
Base materialCeramic Composite
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.5 mm
Finishpowder coated
MOQ200 pieces per specification
Sampling10 working days, 5 days per revision
ComplianceCCC

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Ceramic Composite, 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

  • rubber vulcanisation
  • cold forging
  • assembly line testing
  • gravity casting
  • CNC machining
  • powder coating

Where this example applies

Programmes that run fixed type most often specify this build for workshop replacements. Related applications include courier fleets, three-wheelers, racing teams, utility trailers, emergency vehicles.

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.

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.

What testing is included?

Standard lots ship with dimensional and hardness reports. CCC documentation is issued with the shipment when your market requires it.

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

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