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Chinese National Standards
中華民國國家標準
- Taiwan 台灣 -
 

What is CNS Standards ?

CNS Standard is abbreviation of Chinese National Standard, the National Standards of the Republic of China (Taiwan) ;
They are administered by the Bureau of Standards, Metrology and Inspection of the Ministry of Economic Affairs.

The English versions CNS standards were translated directly from the openly-published Chinese CNS standard , in case of any divergence of interpretation, the Chinese versions CNS standards text shall prevail.

CNS standards are divided into 26 numbered categories, Detail see bellow:
  • CNS Standards 26 Categories:
    		•
  • CNS Standards Index:
    		•
    B-Mechanical Engineering
    		CNS 508 - English Version
    Knuckle Thread (Profiles, Nominal Sizes)
    圓螺紋（螺紋輪廓基本尺寸） - 英文版
    B-Mechanical Engineering
    		CNS 506 - English Version
    ISO Metric fine Screw Threads (Diameters from 70 to 300 mm and Pitch 6 mm)
    公制細螺紋9（ISO制）（標稱直徑70至300公釐，螺距6公釐） - 英文版
    B-Mechanical Engineering
    		CNS 505 - English Version
    ISO Metric fine Screw Threads (Diameters from 42 to 300 mm and Pitch 4 mm)
    公制細螺紋8（ISO制）（標稱直徑42至300公釐，螺距4公釐） - 英文版
    B-Mechanical Engineering
    		CNS 504 - English Version
    ISO Metric fine Screw Threads (Diameters from 30 to 250 mm and Pitch 3 mm)
    公制細螺紋7（ISO制）（標稱直徑30至250公釐，螺距3公釐） - 英文版
    B-Mechanical Engineering
    		CNS 503 - English Version
    ISO Metric fine Screw Threads (Diameters from 18 to 150mm and Pitch 2mm)
    公制細螺紋6（ISO制）（標稱直徑18至150公釐，螺距2公釐） - 英文版
    B-Mechanical Engineering
    		CNS 502 - English Version
    ISO Metric fine Screw Threads (Diameters from 12 to 80mm and Pitch 1.5mm)
    公制細螺紋5（ISO制）（標稱直徑12至80公釐，螺距1.5公釐） - 英文版
    B-Mechanical Engineering
    		CNS 501 - English Version
    ISO Metric fine Screw Threads (Diameters From 8 to 30mm and Pitches 1 to 1.25mm)
    公制細螺紋4（ISO制）（標稱直徑8至30公釐，螺距1至1.25公釐） - 英文版
    B-Mechanical Engineering
    		CNS 4441 - English Version
    Accuracy Inspection of Centerless Grinding Machines
    無心磨床精度檢驗標準 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 4565 - English Version
    Methods of Vibration Testing for Machine Tools
    工具機振動檢驗法 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 513 - English Version
    Metric Trapezoidal Screw Threads Allowance and Tolerances for General Purpose Trapezoidal Screw Threads
    梯形螺紋（一般用梯形螺紋的裕度及公差） - 英文版
    B-Mechanical Engineering
    		CNS 4655 - English Version
    Hexagon Set Screws with Half Dog Point and Cone End
    六角頭短柱錐形端固定螺釘 - 英文版
    B-Mechanical Engineering
    		CNS 4656 - English Version
    Self Cutting Screws
    自削螺釘 - 英文版
    B-Mechanical Engineering
    		CNS 4403 - English Version
    Toothed Lock Washers for Screw Assemblies
    有齒墊圈（用於螺釘之組合） - 英文版
    B-Mechanical Engineering
    		CNS 4667 - English Version
    Testing Standard for Cold Heading Machine, Cold Header-Double Stroke Cold Heading Machine
    冷鍛頭機檢驗標準（雙衝程式） - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 4666 - English Version
    Testing Standard for Thread Rolling Machine
    螺紋滾床檢驗標準 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 4468 - English Version
    Buttress Thread 45 degree for Hydraulic Presses
    45°鋸齒形單螺紋（液壓機用） - 英文版
    B-Mechanical Engineering
    		CNS 4550 - English Version
    Electric Lighting fittings Screw Thread for Cover Glasses and Caps
    玻璃螺紋（用於電器供玻璃護罩和帽蓋） - 英文版
    B-Mechanical Engineering
    		CNS 4551 - English Version
    Gas Cylinders; Thread for Nozzles, Neck Rings and Protection Caps
    瓦斯瓶用螺紋 - 英文版
    B-Mechanical Engineering
    		CNS 4553 - English Version
    Rounded Trapezoidal Thread; Limits of Sizes and Deviations; Tolerances and Permissible Weal of Thread Gauges
    圓角梯形螺紋（螺紋限界尺寸與偏差；螺紋量規之公差與許可磨損） - 英文版
    B-Mechanical Engineering
    		CNS 4100 - English Version
    Chucks for Hand Drills and Breast Drills
    手搖鑽與胸壓鑽用夾頭 - 英文版
    Translated

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