
Reference illustration — produced to your drawing
Stainless Steel Fasteners
Stainless Steel Washers
Stainless steel washers are flat or formed rings placed under a bolt head or nut to spread load, seal or resist loosening. They are made in 301, 303, 304, 304L, 316, 316L or 17-4PH grade for corrosion resistance.
Used with stainless bolts and screws in marine, food, chemical and outdoor assemblies. Bought by fabricators, OEMs and maintenance buyers.
Standard
DIN 125
Size range
M1.6 – M48 · #0 – 2 in
MOQ
From 50 pcs
Lead time
Samples 5–10 days
What we produce
- Flat, spring, lock, fender and sealing washers
- Grades 301, 303, 304, 304L, 316, 316L and 17-4PH
- Plain flat and formed spring styles
- Passivated finish
- Stamped from sheet or coil
Specification notes
- Outside diameter, thickness and form per drawing
- Minimum order quantity starts from 50 pieces
Specifications
Every line below is a starting point, not a limit. Non-standard sizes, special threads and unusual materials are what we do — send the drawing and we confirm what fits.
| Standard | DIN 125 |
|---|---|
| Size range | M1.6 – M48 · #0 – 2 in |
| Threads | Not applicable |
| Head / geometry | Flat, spring, fender and lock forms; no drive |
| Materials | Stainless steel 301 / 303 / 304 / 304L / 316 / 316L / 410 / 416 / 17-4PH · carbon steel 1045 / 1215 / 12L14 · alloy steel 4130 / 4140 · aluminium 2024 / 5052 / 6061 / 7075 · brass · bronze · copper · titanium |
| Finishes | As machined · black oxide · zinc plating · nickel plating · chrome plating · anodizing · passivation (through our vetted partner network) |
| Precision | ±0.01 mm on features that locate, seal or fit; ISO 2768-m for general dimensions |
| Marking | Head marking, grade marking or your own identification mark per drawing |
| Documents | Material certificate (MTR) with every batch, plus pre-shipment photos before dispatch |
| MOQ | From 50 pieces per type and material · samples from 1 piece |
| Sample lead time | 5–10 days |
| Production lead time | 25–35 days after sample approval |
| Quote | Within 24 hours, with DFM feedback |
Other stainless steel fasteners we manufacture
See all 179 part types →Send us the drawing
We reply within 24 hours with DFM feedback, a process route and a price. Samples from 1 piece, production from 50 pieces, shipped from Qidong City, Jiangsu Province, China.
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