Detail & Specs
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ISO Flat Washer - A4 Stainless HARDENED HV-200 ISO 7090
**Beveled Edge / Chamfered outside edge**
General Purpose, Standard Outer Diameter
Flat washers are placed under a bolt head or nut to evenly distribute the load of the fastener over a wider area. Washers also provide a smooth bearing surface against the work surface, protecting it and preventing damage.
Material
A4 / 316 Stainless Steel fasteners are "marine grade" corrosion resistant; suitable for salt water applications. A4 fasteners also offer increased resistance to chemicals when compared with A2 stainless fasteners.
Commonly used in wet environments. Popular across a wide range of industries: automotive, agriculture, photographic, medical / surgical, food processing, robotics, architectural detailing, construction, HVAC, healthcare, sanitary, transportation, clean energy, etc
For corporate purchasers: these ISO washers are manufactured specifically to the ISO 7090 form and dimensional parameters.
ISO 7089 and ISO 7090 are both standards for flat washers, but the key difference is that ISO 7089 specifies a washer with a square edge (no chamfer), while ISO 7090 specifies a washer with a chamfered outside edge. Essentially, ISO 7089 is a "plain" washer, and ISO 7090 has a beveled edge.
