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How Wire / Rod / Tube Drawing Works

Wire / Rod / Tube Drawing: the route, the tolerances it holds, materials and design tips, with an indicative cost. One of 56 processes in the free finder.

Bulk formingFamily
+/-0.05mmTypical tol.
5Route steps
80Parts in finder

Drawing pulls metal through a die to reduce its diameter and increase length, used to make wire, rod and tube.

At a glance

When to use it, and when not

Best for

Wire, springs, needles and precision tube in volume.

Watch for

Simple cross sections only; multiple passes and annealing add cost.

Step by step

The typical route

Raw material to finished part. Steps vary with material, volume and tolerance; this is the free route from the finder.

  1. Prep

    Pickle and lubricate the stock.
    Tooling -   Tolerance -   Lead -
  2. Draw

    Pull through reducing dies to size/finish.
    Tooling Draw dies   Tolerance -   Lead -
  3. Anneal

    Anneal between passes if forming hard.
    Tooling Furnace   Tolerance -   Lead -
  4. Cut

    Cut/coil to length.
    Tooling -   Tolerance -   Lead -
  5. Inspect

    Check diameter, finish and defects.
    Tooling -   Tolerance -   Lead -
Precision

Tolerances it can hold

TYPICAL TOLERANCE IT CAN HOLD
+/-0.05mm typicalcoarsefine+/-1mm+/-0.1mm+/-0.01mm+/-0.005mm
Where this process typically lands. Tighter is possible with extra operations like grinding, at higher cost.
Materials

Materials it suits

GradeWhy it suits this
Carbon/spring steel wireStrength, springs
Stainless tube/wireCorrosion
CopperConductivity
Design

Design tips

A few general pointers for Wire / Rod / Tube Drawing. The full, part-specific DFM list is in the dossier.

  • Tolerance tighter than needed. Match standard tube/wire class.
  • No anneal called where forming follows. Specify temper.
Cost

What it costs

Precise wire, rod and tube made by pulling through dies; bought by weight/length, tolerance improves per pass.

PER-PART COST vs VOLUME
one-offat volumeVolume per order, low to highCost per part
Per-part cost drops as volume spreads tooling and setup over more parts. The exact figures for your part at your volume, in your currency, are in the dossier.
MODEL EST.
$1.4 to 3.5 per part at 100 off
A rough ballpark only. The dossier gives should-cost at your exact volume and currency, with the full breakdown.
GET THE FULL DOSSIER

Everything you need to quote and source it

The free route above is yours. To actually put a number on this process and buy it well:

  • Should-cost at your exact volume in 12 currencies, with the material, processing, tooling and overhead breakdown
  • Who to source from, typical MOQ and lead time, and the exact RFQ checklist to send
  • A quote checker that tells you if a supplier quote is fair, and the red flags to watch
  • The full DFM list and a ready-to-send RFQ draft

One part is $2, once. Pro is every part, plus the tracker, compare and sync. Cancel anytime.

Examples

Parts made by Wire / Rod / Tube Drawing

80 parts in the finder use Wire / Rod / Tube Drawing as their primary process. A sample, each with its own guide:

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FAQ

Frequently asked questions

How is a part made by Wire / Rod / Tube Drawing?
Drawing pulls metal through a die to reduce its diameter and increase length, used to make wire, rod and tube. The typical route is: Prep; Draw; Anneal; Cut; Inspect. Wire, springs, needles and precision tube in volume.
What does Wire / Rod / Tube Drawing cost per part?
It depends on size, tolerance and volume. As a rough ballpark it starts around $1.4 to 3.5 per part at low volume and falls with quantity. The dossier gives should-cost at your exact volume and currency. Model estimates, not quotes.
What tolerance can Wire / Rod / Tube Drawing hold?
Typically about +/-0.05 mm, tighter with extra finishing operations at higher cost.
What materials suit Wire / Rod / Tube Drawing?
Common choices are Carbon/spring steel wire (Strength, springs); Stainless tube/wire (Corrosion); Copper (Conductivity).
See the exact route and should-cost for your part

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