Primary process: Cold Forging / Heading. The full route, materials, tolerances and design tips for a nut, with an indicative cost.
Cold Forging / HeadingPrimary process
Bulk formingFamily
6Route steps
+/-0.05mmTypical tol.
A nut is primarily made by Cold Forging / Heading. Cold forging (cold heading) forms metal at room temperature by forcing it into a die, work-hardening the part and giving an excellent finish with almost no waste. Below is the full route to make a nut, the materials it suits, the tolerances to expect and the main design points. The route is free, from the finder.
Step by step
How a nut is made
The usual route, raw material to finished part. The amber step is where the nut gets its basic shape.
Material
Cut billet or bar stock to size for the nut.
Cold Forging / Heading
Force the metal to shape at room temperature: the grain follows the form and gives the nut its strength.
Tooling High Tolerance ±0.05 to 0.25mm Lead 8 to 16 weeks
Trimming
Trim the flash and pierce any webs the dies leave behind.
Heat treatment
Normalise, quench and temper to the final mechanical properties.
Tooling n/a Tolerance can distort Lead days
Machining
Machine the bearing surfaces, threads and precise features to tolerance.
Tooling None Tolerance ±0.125mm, to ±0.025mm Lead 1 to 10 days
Inspection
Dimensional check plus crack detection on safety-critical parts.
Need the real cost for a nut? The free route above is yours. Unlock the full dossier to quote and source it.
Where this process typically lands. Tighter is possible with extra operations like grinding, at higher cost.
Materials
Materials for a nut
Grade
Why it suits this
AISI 1045
Medium-carbon steel, decent strength, cheap
304 stainless
Corrosion-resistant, formable, weldable
Design
Design tips
General pointers. The full design-for-manufacturing list for a nut is in the dossier.
Machined nuts.Cold-form + tap at volume.
Over-thick wall.Standard across-flats.
Cost
What a nut should cost
Cold forming and tapping; volume dominates.
PER-PART COST vs VOLUME
Per-part cost drops as volume spreads tooling and setup over more parts. The exact figures for a nut at your volume, in your currency, are in the dossier.
MODEL EST.
$0.04 to 0.08per part at 1,000 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 a nut 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
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A nut is primarily made by cold forging / heading. The route is: Material; Cold Forging / Heading; Trimming; Heat treatment; Machining; Inspection.
What does a nut cost?
It depends on size, tolerance and volume. As a rough ballpark it starts around $0.04 to 0.08 per part at 1,000 off and falls with quantity. The dossier gives should-cost at your exact volume and currency. A model estimate, not a quote.
What material is a nut made from?
Common choices are AISI 1045; 304 stainless.
What is the main process for a nut?
Cold Forging / Heading. High-volume small parts like fasteners, pins and studs where strength and material yield matter.
See the exact route and should-cost for your part
The free finder maps your part to its process and full route. Pro adds should-cost at your volume, sourcing and an RFQ draft.
