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Introduction of some national standards for gaskets

by:Tronshal     2022-03-17
Washer refers to the part between the connected piece and the nut. It is generally a flat metal ring, which is used to protect the surface of the connected part from scratches by the nut and to disperse the pressure of the nut on the connected part. The following will introduce some national standards for washers: 1 GB/T3103.3-2000 Fastener Tolerance Flat Washers 2 GB/T5286-2001 General Plan for Flat Washers for Bolts, Screws and Nuts 3 GB/T9074.1-2002 Bolts or screws and flat washer assemblies 4 GB/T9074.18-2002 Self-tapping screws and flat washers assemblies 5 GB/T 95-2002 Flat washers Class C 6 GB/T96.1-2002 Large washers Class A 7 GB/T96. 2-2002 Large washer Class C 8 GB/T97.1-2002 Flat washer Class A 9 GB/T97.2-2002 Flat washer chamfered Class A 10 GB/T97.4-2002 Flat washer for screw and washer combination Item 11 GB/T97.5-2002 flat washers for self-tapping screws and washers assemblies
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