Screw Types

螺絲的長度測量

Measurement Of The Length Of Screws 

Finish Treatment Codes

尺寸和公差螺釘頭表

Dimensions Size And Tolerance Tables Of Screw Head

 頭類型

Types of heads

螺紋的類型和各種各樣的示意圖

Illustration For The Type And Sorts Of General Screw Threads

• 1. Screw with asterisks are not of ISO specifications.

  2. Parenthetic screw are scarcely used.         

  3. The errors of Slotted Head Cross-Recessed Head Screw are equal.