求购六角螺母

材质：碳素钢镀锌

尺寸（英寸）                       需求量
3 / 8                                         2，000 Kgs    
5 / 8                                         1，000 Kgs    
3 / 4                                         1，000 Kgs     
  8                                             1，000 Kgs    
10                                             1，000 Kgs    
12                                             2，000 Kgs    
16                                             2，000 Kgs    
20                                             1，000 Kgs