M8 (5/16") Neptune 8.8 High Tensile Stainless A4-80 G316 Spring Washers DIN 7980
$5.50
In stock
SKU
71PS8MN
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- Neptune Square Section Spring Washers are hardened high tensile stainless steel washers that have the same class properites and strength properties as high tensile carbon steel class 8.8 fasteners. Neptune spring washers have superior hardness over standard spring washers to accommodate the higher tensile loads required in a Neptune assembly
- Features / Benefits:
- Products have full traceability
- Ultimate Corrosion resistance
- High Strength
- Higher yield strength and tighter tolerances
- Fatigue resistance
- Very low magnetic permability
- Are Metric & Imperial Washers Interchangeable?: In most cases they are which is why we have added metric sizing to the imperial range and imperial sizing to the metric range. If you are still unsure or if the washer dimensions are critical click on the washer you are interested in and view the technical specifications table before ordering
- Material / Coating: High tensile class 8.8 marine grade stainless steel A4-80 G316 is the ultimate corrosion resistance and high strength fastener
- Can Stainless corrode?: Stainless steel is corrosion-resistant but not corrosion-proof and corrosion can occur if the material is installed or handled incorrectly. The use of tools and drills made from conventional steel during the installation of stainless steel fasteners may also lead to problems. Even the hardest of tools can produce debris that leaves minute steel particles on the stainless steel fastener surfaces or in pre-drilled holes. It is these particles that often rust when exposed to moisture or oxygen and can result in a stained or tarnished finish to the stainless steel material
- Measurements: Every effort has been made to ensure all measurements on our site are accurate and to the relevant standard, they should only be used as a guide. If you see a problem with our specifications please contact us
- Dimensions: Differences may exist between batches such as inside dimension, outside diameter, thickness, visible stamped markings, appearance and actual finish
- Photos: Represent the product, not the size. For additional information, refer to the CAD drawing and/or View data sheet Library
- Updating our site: If you see any problems with any of our specifications or you require additional information please contact us
- PDF data sheet: PDF data sheets are provided as a reference guide only. Specifications may change without notice
- Note: Technical data and specifications were researched and compiled from numerous industry sources for the sole purpose of providing basic information. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person, and Bolt and Nut Australia is not responsible for any loss, claim or damages arising therefrom. In developing this information, ©Bolt and Nut Australia has made a determined effort to present it accurately
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| System of Measurement | Metric |
|---|---|
| Product | Square Section Spring Washer |
| Industry Size | M8 (8mm) |
| Size | M8 (8mm) |
| To Suit Fastener Size | M8 | 5/16" |
| Corrosion Protection Level | Ultimate |
| Class / Grade | A4-80 High Tensile G316 |
| Material | High Tensile Stainless Steel |
| Inside Dimension (id) | 8.00 - 8.50mm |
| Outside Dimension (od) | 12.70mm |
| Width (w) | 4.40mm |
| Thickness (t) | 2.10mm |
| Dimensional Data | Provided as a guide, subject to change |
| Product has Manufacturers Markings | Yes |
| Standard Made To | DIN 7980 |
| Brand | Hobson Engineering |
| Alternative Brands | Inox World | Brighton Best | Bremick Fasteners |