DIN 25201 Double Fold Self-Locking Washer SK5 Spring Steel — stocked and shipped worldwide by SFX Fasteners. Available for single-piece retail orders — no minimum order — dispatched from our own warehouse within 24–48 hours.
Specifications
| Standard | DIN 25201 |
| Material | SK5 Spring Steel |
| Surface Finish | Dacromet |
| Brand | SFX Fasteners |
Manufactured to DIN 25201. Dimensions meet the published standard; tolerances per the standard’s normal grade unless stated otherwise. Full dimension table available on request.
Ordering & shipping
| Minimum order | No minimum — single pieces welcome |
| Pricing | Order totals are confirmed at checkout, before payment |
| Custom & dropship | Small batches to drawing · blind dropshipping on request |
| Dispatch | 24–48 hours for stock items |
| Shipping | Worldwide, calculated at checkout by weight and destination |
Need a specific size, grade or standard? Send us a quote request — we quote to drawing and to DIN / ANSI / GB / JIS standards.
About this DIN 25201 washer
This is a washer made to DIN 25201, in SK5 Spring Steel, supplied dacromet. Every dimension is stated against the standard named above; where a tolerance class matters to your design, ask us and we will confirm it in writing before you order.
A washer spreads the clamp load of the fastener over a wider area of the joint face and keeps the turning nut or head from scoring the part underneath. Fitted under bolts, screws and nuts on soft or painted surfaces, slotted holes, and any joint that is taken apart often enough for the face to matter.
Dacromet is a zinc-aluminium flake coating. It gives good corrosion resistance with no hydrogen embrittlement, which is why it is the recommended finish for grade 10.9 and 12.9 fasteners.
A spring steel: heat treated to stay elastic rather than rigid, which is what a spring washer or retaining ring needs.
There is no minimum order and no free-shipping threshold: buy one piece or a full container. Your order total is confirmed in the cart, before payment.
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