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What are ISO 7092 HV 200 A2 Stainless Steel Flat Washers?
ISO 7092 washers are metric flat washers with a small outside diameter, designed for applications where a standard washer would provide more coverage than necessary or interfere with surrounding components. The reduced outside diameter allows the washer to fit into tighter spaces while still providing a bearing surface beneath a bolt head or nut. These washers are manufactured to the 200 HV hardness class, making them a specialty high-hardness stainless steel washer.
What does HV 200 mean for ISO 7092 Washers?
The HV 200 designation refers to the washer's Vickers hardness, with a minimum hardness of 200 HV. This higher hardness provides increased resistance to indentation and deformation under the compressive forces created when a fastener is tightened. The 200 HV specification is particularly valuable when using stronger fasteners or when maintaining a stable bearing surface is important.
The 200 HV designation is also an important distinction from older DIN 433 small outside diameter washers. ISO standards such as ISO 7092 established updated dimensional and mechanical requirements, and the 200 HV stainless steel specification provides a harder washer than the softer stainless washers commonly encountered under older DIN designations.
What material are ISO 7092 HV 200 A2 Stainless Steel Washers made from?
These ISO 7092 washers are manufactured from A2 stainless steel and meet the 200 HV hardness class. A2 stainless provides excellent general corrosion resistance against moisture, humidity, and oxidation, while the hardened construction helps resist deformation beneath the fastener.
The combination of A2 stainless steel, 200 HV hardness, and a small outside diameter makes these washers particularly useful where both corrosion resistance and compact dimensions are required.
Where are ISO 7092 HV 200 A2 Stainless Steel Washers commonly used?
ISO 7092 A2 200 HV washers are commonly used in automotive equipment, machinery, automation systems, electrical equipment, instrumentation, appliances, precision equipment, and general mechanical assemblies. Their small outside diameter is especially useful where clearance is limited or where a standard washer would extend too far beyond the fastener head or nut.
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