Thread Rolling Guide: Cold-Formed Threads, Strength & Process

Thread Rolling Guide: Cold-Formed Threads, Strength & Process

Short answer: Thread rolling cold-forms threads by pressing a hardened die into a rotating or fed blank so the material flows plastically into the thread profile, keeping the grain continuous along the root for higher fatigue strength and no swarf. It is the standard method for bolts, screws, studs and fasteners in steel and stainless, delivering faster cycle times and a better surface than cutting or grinding threads.

At a Glance

Thread Rolling Guide: Cold-Formed Threads, Strength & Process chart
Figure 1 – Thread Rolling Guide: Cold-Formed Threads, Strength & Process overview.

Rolling vs Cutting

Compare with Fasteners Supplier; assess grain via Metal Machinability Guide 그리고 Metal Hardness Testing Methods; relate to 스테인리스 스틸 등급 설명 그리고 Metal Coining Guide.

품질

Finish checked per Surface Roughness Ra Guide, dimensions per Metal Tolerances Fits Guide. Certified by Mill Test Certificate Guide.

Supply & QA

Protect via How To Prevent Metal Rust. HXSCO supplies bar and wire ready to roll.

Get a Quote

Tell HXSCO your requirements and we will respond with a competitive quote and lead time.

자주 묻는 질문

What is thread rolling?

Cold-forming threads by plastic flow against a die, no cutting.

Why stronger than cut threads?

Grain follows the root; no notch from the cutting tool.

What methods exist?

Flat-die, round-die and planetary for high volume.

What materials are rolled?

Steel, stainless and some non-ferrous bar and wire.

Do you supply roll stock?

HXSCO supplies bar and wire suited to thread rolling.

Source Thread-Rolling Stock from HXSCO

HXSCO supplies steel and stainless bar and wire suited to thread rolling and fastener making. Send your grade and size for a quote.

Request a Quote

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