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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 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 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 4371 - English Version
    Round Thread with Clearance and Steep flank with Pitch 7 mm Theoretic Values
    圓螺紋（具有間隙、深螺腹、螺距為7 mm之理論值） - 英文版
    B-Mechanical Engineering
    		CNS 4369 - English Version
    Round Thread with Clearance and flat Flank with Pitch 7 mm; Nominal Sizes
    圓螺紋（具有間隙、淺螺腹，螺距為7 mm之標稱尺寸） - 英文版
    B-Mechanical Engineering
    		CNS 4229 - English Version
    ISO Metric Screw Threads-Selected Sizes for Screws, Bolts and Nuts
    公制螺紋（ISO制）（螺釘、螺栓及螺帽標稱直徑與螺距之選擇） - 英文版
    B-Mechanical Engineering
    		CNS 4367 - English Version
    Knuckle Threads for Steel Sheet pieces (up to 0.5 mm Thickness and Appropriated Couplings Dimensions Tolerances)
    圓螺紋（厚0.5 mm以下之鋼皮製品及其配合螺紋） - 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 4265 - English Version
    Method of Life Test for High Speed Steel Single Point Tools
    高速鋼車刀性能試驗方法 - 英文版
    B-Mechanical Engineering
    		CNS 4255 - English Version
    Spring Washers with Safety Ring
    安全環彈簧墊圈 - 英文版
    B-Mechanical Engineering
    		CNS 4241 - English Version
    Method of Test for Electroplated Coating of Bolts, Screws and Nuts
    螺栓、螺釘、螺帽電鍍層之檢驗法 - 英文版
    B-Mechanical Engineering
    		CNS 4233 - English Version
    Method of Test for Mechanical and Performance Properties of Torque Type Steel Hexagon Locknuts
    扭矩式六角防鬆鋼螺帽機械性能及性質檢驗法 - 英文版
    B-Mechanical Engineering
    		CNS 4668 - English Version
    Testing Standard for (Bolt Head) Trimming Machine
    整頭機檢驗標準 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 4225 - English Version
    Stub Metric Trapezoidal Screw Threads-Profiles
    短梯形螺紋（螺紋輪廓） - 英文版
    B-Mechanical Engineering
    		CNS 4368 - English Version
    Lifting Hooks, Knuckle Threads
    圓螺紋（起重機吊鈎用） - 英文版
    B-Mechanical Engineering
    		CNS 3975 - English Version
    flat Chisels
    扁鑿 - 英文版
    Translated
    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 3935 - English Version
    Method of Test for Mechanical Properties of Bolts, Screws and Studs
    螺栓螺釘螺樁之機械性質檢驗法 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 3983 - English Version
    Method of Test for Mechanical Properties of Tapping Screws
    自攻螺釘之機械性質檢驗法 - 英文版
    Translated
    B-Mechanical Engineering
    		CNS 4215 - English Version
    Wedge of Tool Shank
    工具柄楔 - 英文版
    Translated
    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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