What tests are needed for plastic fasteners-Dongguan Tianye Plastic Electronics Co., Ltd.-Plastic screws and nuts, rivets, pc light guide posts, stationery buckles, LED holders, PC board spacers, wire holders, foot pads, crystal covers, nylon sleeves, damping gears

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What tests are needed for plastic fasteners
Time:2020-07-07  Browse:

Each fastener product must involve some standards in several aspects:


1) Standards on the technical conditions of plastic fastener products. Specifically, it includes the following standards:


     a) Tolerance standards for fasteners: specify product size tolerances and geometric tolerances.


     b) Fastener product mechanical performance standards: specify the marking method of product mechanical performance levels and the content of mechanical performance items and requirements; some fastener products change this content to product material performance or work performance Aspect content.


     c) Standards for fastener product surface defects: specify the types of product surface defects and specific requirements.


     d) Surface treatment standards of fastener products: specify product surface treatment types and specific requirements.


     e) Fastener product test standards: specify the test contents of the various performance requirements mentioned above.


2) Fastener product size standards: specify the content of the basic size of the product; products with threads also include the basic size of the thread, thread end, shoulder distance, undercut and chamfer, and the end of external threaded parts Dimensions and other aspects.


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