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GB839滾花頭不脫出螺釘M2-M8

發布日期:2018-03-05 瀏覽次數:2087


GB839滾花頭不脫出螺釘

不脫出螺釘加工材質有:304不銹鋼、碳鋼鍍鋅、黃銅鍍鎳

滾花頭不脫出螺釘執行標準:

不脫出螺釘執行標準是:GB839-88,分A型(一字槽)和B型(不開槽)以下是詳細規格表



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