十字螺絲(JIS B1111 Appendix)

Japanese Standard Screws

 

Machine screws(JIS B1111 Appendix)

 

Cross Recess…..

 

(1)Cross Recess Pan Head

(2)Cross Recess Flat Head

(3)Cross RecessOval Head

(4)Cross Recess Binding Head

(5)Cross Recess Truss  Head(Mushroom Head)

 

日本標準規格：JIS螺絲

 

十字螺絲(JIS B1111 Appendix)

 

圓頭十字螺絲  ,大圓頭十字螺絲 ,埋頭十字螺絲,大扁頭十字螺絲

 

汙水處理