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DIN 7349 Hardened Washer HV 200 – A2 Stainless Steel
What is a DIN 7349 A2 Stainless HV 200 Washer?
DIN 7349 washers are heavy-duty hardened flat washers designed to provide a durable bearing surface and distribute the clamping force of bolts and screws over a wider area. Their larger outside diameter and hardened construction make them particularly useful in demanding fastening applications where resistance to deformation and surface indentation is important.
These specialty washers are manufactured from A2 stainless steel with an HV 200 hardness, making them an exceptionally uncommon option. While HV 140 DIN 7349 washers are more commonly available, achieving an HV 200 hardness in A2 stainless steel provides a rare combination of high surface hardness and corrosion resistance. They are also known as hardened stainless steel washers, high-strength flat washers, heavy-duty washers, and DIN 7349 bolt washers.
What material is a DIN 7349 A2 Stainless HV 200 Washer made from?
These DIN 7349 washers are manufactured from A2 stainless steel with a minimum hardness of HV 200. A2 stainless steel provides excellent general corrosion resistance while the HV 200 hardness provides increased resistance to deformation, embedding, and surface damage under high clamping loads.
The natural stainless steel finish does not require an additional protective coating and provides dependable resistance to rust and oxidation in humid and moderately corrosive environments. The combination of A2 stainless corrosion resistance and HV 200 hardness makes these washers a specialty solution where standard stainless or HV 140 washers may not provide the required performance.
Why choose an A2 Stainless DIN 7349 HV 200 Washer?
A2 stainless DIN 7349 HV 200 washers combine high hardness, corrosion resistance, and a large bearing surface in one specialty fastening component. The HV 200 hardness provides greater resistance to indentation and deformation than the more commonly available HV 140 version, helping create a more durable and stable fastening assembly.
These washers are particularly valuable because HV 200 hardness is uncommon in A2 stainless steel DIN 7349 washers, making them difficult to source and well suited for specialized applications, engineered equipment, and replacement assemblies where the specified washer hardness is important.
Where are DIN 7349 A2 Stainless HV 200 Washers commonly used?
DIN 7349 A2 stainless HV 200 washers are commonly used in industrial machinery, food processing equipment, packaging machinery, pumps, motors, automation systems, laboratory equipment, transportation equipment, agricultural machinery, HVAC equipment, outdoor machinery, and OEM manufacturing.
They are particularly useful beneath high-strength bolts, socket head cap screws, and other heavily loaded fasteners where a combination of corrosion resistance and exceptional resistance to deformation is required. Their rare HV 200 hardness makes them an excellent choice for specialized machinery, maintenance and repair applications, replacement components, and engineered fastening assemblies where a standard HV 140 washer is not sufficient.
