Professional Manufacturer of Metric & Imperial Size Stainless Steel Retaining Rings DIN471

Basically, you snap it into a groove on a shaft to hold a bearing or componnet in place, and it stays there — even under vibration, which a lot of budgets don't plan for. We've seen these used everywhere form conveyor systems to pump assemblies, and most buyers go with the 304 for general corrosion resistance unless they need the higher hardness of 420.

The standdard range runs from 3mm to 185mm shaft diameter, with metric and imperial sizes both available, and we can customize the cross-section if your application calls for a tighter tolerance than the DIN spec. Surface finish is your call: natural, zinc plated, or Dacromet, though the latter is usually only ordered for heavy outdoor gear.

It's better than a lot of generic retaining rings for applications that hit automotive or industrial machinery specs, since the plant holds ISO 9001, IATF 16949, CE, and RoHS — so you get proper compliance paperwork for EU or UK imports without chasing it later. The COA and TDS come with each batch, and we'll include the customs-friendly docs like the certificate of origin, which saves headaches at the border.

MOQ is 1000 pieces per size, but we can usually provide samples (within 10 working days or so) to test fit before you commit to full production. Lead time on standard sizes is roughly 20-25 days, though our company have stock on common sizes like 10mm, 12mm, and 20mm in stainless, so confirm availability if you're in a hurry.

is optional, but we don't recommend it unless you're dealing with extreme temperatures or repeated assembly cycles — the as-formed stainless handles most uses fine. (Check the batch number on the packaging; it's printed on the carton label for traceability.)