半沉

• 120 degree oval countersunk rivets
  120半沉头铆钉
• Cross recessed raised countersunk head tapping screws ; identical with iso 7051 : 1983
  十字槽半沉头椭圆头自攻螺钉
• Slotted raised countersunk head tapping screws common head style ; identical with iso 1483 : 1983
  开槽的半沉头自攻螺钉
• Degree oval countersunk rivets
  半沉头铆钉
• Raised countersunk head screw
  半沉头螺钉
• Oval countersunk head rivets
  半沉头铆钉
• Half sunken - headed rivet
  半沉头铆钉
• Cross recessed raised countersunk head screw and countersunk external toothed lock washer assemblies
  十字槽半沉头螺钉和锥形锁紧垫圈组合件
• . a countersunk raised head screws common head style with type h or type z cross recessed . product grade a
  带有h型或z型的十字槽半沉头螺钉
• Railway rolling stock . grade a . slotted or notched raised countersunk head screws nuts . symbol fbp
  铁路车辆.开槽或开口的半沉头螺钉螺母.级.符号