ITEM NAME:240pcs High Strength Alloy Steel M4 Cup Head Hexagon Socket Screw and N BKG.240pcs M4 Cup Head Hexagon Socket Screw and Nut Set. Specification of 240pcs M4 high strength cup head socket screw set. Model number: cup head inside hexagon. Thread specification: M4. Product list :240pcs cup head hexagon socket screw and nut.
