As Per Is 3063 Din 127 B Flat Section

Spring washers are normally made out of spring steel and are hardened to HV 430 to 530 and are used along with almost every externally threaded fastener. Due to their Spring action, they give a locking effect to the tightened fastener, when fastened with Spring washer.

Flat and square sections are the most common used types of spring washers. Square section spring washers are normally used for fasteners with cylindrical heads and flat section for all other type of heads. Square section spring washers are lighter, and thereby cheaper than the ones with rectangular section.

These washers are normally available in auto black (black) finish. Other finishes like White/Yellow/Blue Zinc coating (with hydrogen de-embrittlement), cadmium plated, nickel-plated, bright chromium plated and phosphated are also available.

Technical Specification
Size:
M2-M100
Grade:
Materials:
Carbon Steel, Alloy Steel, MS, Copper, Brass & Stainless Steel (SS 304,SS 302, SS 316)
Finish:
White Zinc Plated, Yellow Zinc Plated, Auto Black Plated, Chrome Plated & other as per customer requirement

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