Stainless Steel DIN9021 Flat Washer

Specifications for Stainless Steel DIN125 Flat Washer

Stainless steel DIN125 flat washers are thin, circular metal parts with a hole in the middle, punched from stainless steel sheets.
Basic Information
● Materials: Usually made of A2 (equivalent to 304), A4 (equivalent to 316) and other stainless steel materials, which have good corrosion resistance and high temperature resistance.
● Hardness: The hardness grade is 200HV, and the hardness range is 200HV - 250HV.
● Dimensions: According to DIN125 standard, for example, when the nominal specification is M4, the inner diameter d1 is 4.3 - 4.48mm, the outer diameter d2 is 8.64 - 9mm, and the thickness is 0.7 - 0.9mm.

Features
● Smooth Surface: They have a smooth bearing surface, which can ensure good contact with the connected parts and reduce friction.
● Good Corrosion Resistance: Stainless steel materials endow them with excellent corrosion resistance, suitable for use in harsh environments.
● Accurate Dimensions: Manufactured in strict accordance with DIN125 standard, ensuring high interchangeability.

Applications
● Mechanical Equipment: Placed between the bolt head or nut and the connected part to evenly distribute the force, reduce the pressure on the connected part surface, and prevent loosening.
● Electrical Equipment: Can play a role in electrical insulation when used with insulating materials, ensuring the safety and reliability of the circuit.
● Automobile Industry: Used in the assembly of various parts of automobiles to enhance the stability and reliability of connections.

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