RoHS, REACH and Fastener Compliance: What Exported Equipment Must Document
Fasteners rarely make compliance headlines, yet their coatings are exactly where restricted substances live. Export-bound equipment inherits every screw's chemistry.
Bottom line: for most Precision Screws applications the decision comes down to load, environment and assembly method — the Precision Screws guide walks through the selection.
RoHS: the electronics-facing rule
RoHS restricts lead, mercury, cadmium, hexavalent chromium and certain flame retardants in electronics assemblies. Fastener impact: hexavalent-chromium passivates (the classic yellow zinc look) are obsolete in compliant supply; trivalent passivates and zinc-nickel systems replaced them. Older "yellow zinc" specs must be re-specified, not re-sourced.
REACH: the broader net
REACH tracks substances of very high concern (SVHC) across all articles. Fastener-relevant SVHCs appear in some lubricant carriers, patch adhesives and older plating additives. Suppliers must answer SVHC content questions per article above 0.1% — a reason to choose suppliers with coating chemistry documentation, not just plating capability.
Practical documentation set
- RoHS declaration per fastener part number and coating.
- REACH SVHC status statement referencing current candidate list date.
- Coating process identification (e.g. "Zn-Ni 12–15%, trivalent passivate, no Cr-VI").
Topprecision maintains RoHS/REACH declarations for its standard range and reissues them when the candidate list updates — so customer compliance teams are never chasing certificates at shipment time.
Key specifications at a glance
| Parameter | Typical range | Note |
|---|---|---|
| Thread size range | M1.6–M24 standard, up to M64 special | Custom diameters available |
| Property class | 4.6–12.9 steel, A2-70/A4-80 stainless | Per ISO 898-1 / ISO 3506 |
| Surface finish | Zinc, Dacromet, PTFE, DLC, PVD | Matched to service environment |
| Production method | Cold heading + thread rolling | CNC turning for specials |
| Quality standard | ISO 9001, IATF 16949 | Batch traceability |
Need help with fastener standards and specs?
Toprecision manufactures to ISO, DIN, ASME and GB standards, and provides full RoHS/REACH documentation for export. Send the standard reference and drawing — we will confirm the spec and supply a cross-reference table. Request standards support.
