Precise double washers screws for electronic with black oxide coating
Precise Screw and washer assemblies, or SEMS screws are generally covered by the specification ASME B18-13 1996. Typically, double washers consist of a split lock washer and a flat washer. They are readily available in metric sizes. Special double washer sems can be made for application specific needs.
Flat Washer Options are generally divided into a washer series of Narrow, Regular, and Wide Sizes. The size chart is below.
Lock Washer Options – While typically a split lockwasher; internal tooth lockwashers and external tooth lockwashers can also be assembled.
Material Options are generally steel, stainless steel, and brass.
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1 :We can provide samples in 7 days
2 :Provide custom made service
3 :We can help you develop new product
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M-sing Screw Factory with a mature production technology and sophisticated processing techniques, improved detection methods, with the development of strong design capabilities, product quality, the introduction of domestic and international high-precision molds and high-quality raw materials. The main production line with GB, Japan’s JIS, the United States ANSI, the German DIN, BS British standards of bolts, and customers can request all kinds of difficult design and production of standard parts. And through third-party authoritative testing agencies product testing, qualified in the relevant report. Re-header equipment, Roll Machine, tail-cutting, stamping machines, slot milling machines, line cutting, automatic lathes, and other production equipment, some of which more machinery assembling a computer-controlled, automatic detection display, can provide the steady and rapid Zero tolerance of the product, the monthly production capacity of several 10 million.
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