1型六角螺母 细牙 产品等级:A级和B级
Hexagon Regular Nuts(Style 1) with Fine Pitch Thread - Product Grades A and B
1型 六角普通螺母 细牙 产品等级:A级和B级
Hexagon Regular Nuts (Style 1) with Metric Fine Pitch Thread - Product Grades A and B
1型六角螺母 细牙 A级和B级
Hexagon Nuts, Style 1, with Metric Fine Pitch Thread - Product Grade A and B
1型六角螺母 细牙 A级和B级
Hexagon Nuts, Style 1, with Metric Fine Pitch Thread - Product Grade A and B