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Cold heading / precision secondary work

Complex components. One controlled route.

We review fasteners, shafts, gears, connectors, spindles, sleeves and pins as complete manufacturing systems: geometry, material flow, secondary features and verification.

Start an RFQ Explore product families

Final feasibility is confirmed against the submitted drawing, material condition, quantity, tooling assessment and inspection plan.

Manufacturing systemDrawing to release
FORM COMPLETE VERIFY
  1. 01FormEstablish material flow
  2. 02CompleteAdd required features
  3. 03VerifyMeasure drawing intent
Illustrative route. The quotation defines the approved process scope and ownership.

Management-approved baseline

Useful limits. Stated with their conditions.

These independent reference metrics describe representative cold-heading routes. They do not define one combined part envelope.

Wire diameter
0.2–10.0 mmRepresentative feed envelope
Selected fastener length
Up to 100 mmGeometry and route dependent
Validated production rate
60–100 parts/minTypical qualified routes
Selected controlled diameters
±0.015 mmDie- or punch-controlled features
Selected length / position
±0.025 mmMeasurement method agreed first

Each figure applies to its own validated route. Final capability is confirmed against the drawing, material condition, tooling plan, secondary operations and agreed measurement method.

Seven product families

Read the geometry first.

Choose the nearest family, then define the feature relationships that control function. A part may combine more than one route.

Joint / retention

Custom fasteners

Headed, threaded, pierced and drive-feature parts developed around the assembly method.

Review focus / head, shank, thread, material, finish
Axial geometry

Custom shafts

Stepped and shouldered parts assessed as one datum chain from formed blank to finished journals.

Review focus / runout, shoulders, cross-features, datums
Motion transfer

Custom gears

Gear blanks, splined forms and drive profiles reviewed from torque path and datum structure.

Review focus / profile, stock, treatment, measurement
Assembly interface

Custom connectors

Mechanical connector bodies and coupling parts organized around load transfer and retention.

Review focus / mating geometry, contact, retention, access
Rotating interface

Custom spindles

Compact rotating parts with journals, shoulders, threads and drive features treated together.

Review focus / bearing seats, runout, hardness, finish
Hollow form

Sleeve parts

Bushings, spacers, collars and hollow bodies assessed for wall transitions and end condition.

Review focus / wall, bore, bearing surface, coating
Location / pivot

Custom pins

Dowel, pivot, clevis, grooved and shouldered pins reviewed around wear and assembly function.

Review focus / diameter chain, straightness, ends, hardness

Manufacturing system

Form. Complete. Verify.

Three linked decisions turn a drawing into a controlled route. Each stage inherits the revision, datums and acceptance requirements established before it.

01 / primary forming

Cold heading

Material is displaced through punches and dies to establish headed, extruded or near-net geometry.

Define
Material condition and flow path
Confirm
Tooling route and forming limits
02 / feature completion

Secondary work

Threading, machining, grinding, treatment and finishing are selected from feature intent.

Define
Sequence, datums and stock condition
Confirm
Process ownership and records
03 / verification

Inspection and release

Measurement and records are tied to the governing revision and critical characteristics.

Define
Method and acceptance rule
Confirm
Traceability and release scope
Route boundary

A listed operation describes a route to assess. The quotation identifies what is performed, sourced, verified and supplied for the specific project.

Material continuity

Keep condition and finish connected.

A material name alone is incomplete. Grade, incoming condition, treatment sequence, finish specification and acceptance basis remain linked.

01GRADE 02CONDITION 03TREATMENT 04FINISH
Service environment
Load, temperature, corrosion, wear and regulatory constraints.
Material definition
Grade, standard, condition and permitted substitutions.
Process sequence
Forming, machining, heat treatment and target properties.
Surface requirement
Function, specification, thickness, masking and verification.

Specific grades, dimensional ranges and finish systems are confirmed through engineering review and supplier evidence before they are stated as project capability.

Project workflow

Six decisions. One controlled revision.

Each handoff converts project input into an agreed decision before work continues.

  1. 01

    Drawing review

    Revision, units, material, quantity and missing inputs.

    Output / quotation basis
  2. 02

    DFM

    Forming intent, secondary work and critical characteristics.

    Output / agreed assumptions
  3. 03

    Tooling

    Tooling approach, authorization, timing and change control.

    Output / approved scope
  4. 04

    Sample

    Sample quantity, evidence, measurement and acceptance.

    Output / sample plan
  5. 05

    Production

    Approved revision, route and required controls.

    Output / production release
  6. 06

    Inspection

    Specified inspection and release-document scope.

    Output / shipment release

Next step / RFQ

Make the unknowns explicit.

Bring the current revision, material definition, quantity, critical characteristics, process specifications and requested records.

Start an RFQ Online estimate
  1. 01Drawing or 3D model with revision and units
  2. 02Material grade, condition and governing standard
  3. 03Annual and order quantities with target timing
  4. 04Critical tolerances and functional intent
  5. 05Treatment, finish, inspection and record requirements