CNS 4575-1978 Finishes and Tolerance of Bolts, Screws and Nuts Primarily of Steels Exhibiting Toughness at Subzero Temperature and High Temperature Steels (English Version)
Taiwan Provincial Standard of the People's Republic of China
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CNS 4575-1978
Scope
This standard applies to screws, nuts and similar products with poor machining accuracy and tolerances, and made of flexible steel that is resistant to high and low temperatures.
CNS 4575-1978 history
1978CNS 4575-1978 Finishes and Tolerance of Bolts, Screws and Nuts Primarily of Steels Exhibiting Toughness at Subzero Temperature and High Temperature Steels