It is understood that Kunshan's export volume of electric tools has continued to increase substantially, mainly due to the following reasons: As the impact of the international financial crisis gradually faded, the foreign sales market has gradually improved, and Kunshan electric tool export companies have significantly increased their orders at overseas sales points; Enterprises timely adjust product structure, research and develop new products, thus winning the right to speak in the fierce market competition; product export methods are flexible, companies adopt unscheduled price promotions to attract a large number of customers; Kunshan Inspection and Quarantine Bureau is a large exporter of electric tools Timely release, paperless inspection, and other preferential policies are granted. The rapid customs clearance of products also reduces export costs.
Low carbon USS flat washers, typically used with Grade 8 or hardened steel bolting, are used under bolt heads or nuts to increase the bearing surface area, or to offer protection so that the nut or bolt can be rotated without distortion of the bearing surface. Flat washers are also used to give tightness to a joint, to prevent leakage, and especially to distribute pressure under the head of a bolt or nut. Dimensional specifications are governed by ASME B18.21.1. USS (United States Standard) flat washers have a larger outer diameter than SAE (Society of Automotive Engineers) flat washers, and can be utilized in nearly any application. ASTM F844 covers the standard specifications for unhardened steel flat washers for general use. Available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.
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