Flat washer

Kunhan Co., Ltd. supplies flat washers made from stainless steel, carbon steel, and engineered plastics, with outer diameters ranging from 6mm to 50mm and thicknesses from 0.5mm to 5mm, as specified in the product data. These washers are manufactured to maintain consistent inner hole tolerances of ±0.05mm, ensuring proper fit on standard metric fasteners. The product line includes washers compliant with DIN 7091 and ISO 7089 standards, with surface finishes either plain, zinc-plated, or passivated for corrosion resistance.

Flat washers from this supplier are typically produced using cold forming or stamping processes, with material grades including AISI 304 and AISI 410 for stainless variants, and SAE 1010 to SAE 1045 for carbon steel. Plastic washers are made from POM or nylon 66, offering electrical insulation and chemical resistance. While the listing does not confirm specific heat treatments, standard carbon steel washers are typically stress-relieved to reduce brittleness. The absence of certification claims means buyers should request material test reports for critical applications.

These washers are used in automotive suspension systems, industrial machinery, and electronic enclosures where load distribution and vibration damping are required. Buyers include OEMs in Taiwan, Japan, and Southeast Asia, as well as maintenance suppliers servicing heavy equipment. Packaging is typically in bulk boxes of 1,000 to 5,000 pieces, with custom counts available. Lead time and MOQ are not stated; buyers must confirm these directly with the supplier. Incoterms such as FOB Taipei or CIF destination ports are commonly offered but require written confirmation.

Kunhan Co., Ltd. is located in the East District of Taichung, Taiwan, with a physical address listed on the platform. The supplier is classified as an imported tier with harbor trust verification, indicating active export activity and documented customs compliance. There is no public information on years in business, workforce size, or production capacity. The listing does not mention certifications, awards, or client names, and response rate data is unavailable, suggesting limited digital engagement.

The company focuses exclusively on mechanical fasteners, particularly washers and related components, without claiming broader product lines such as bolts or nuts. It does not state whether it operates a factory, sources externally, or holds in-house tooling. Buyers should treat this as a trading entity unless confirmed otherwise. No claims about quality systems or testing equipment are provided; verification of material and dimensional compliance must be requested directly.