ball head  screws( ball screws,screws))

     we are one of the leading manufacturer of screws in this area.

     Besides, we also produce many other kinds of nails and screws, such as drywall screw, chipboard screw, self-tapping screw, self-drilling screw and so on. Please feel free to contact me, I will supply low price and good quality to you.

        1.Standards: JIS, ANSI, ASTM, DIN, BS, GB

        2.Specification: M20-M48
        3.Surface finish:zinc plated, HDG, black,plain
        4.materials:40Cr,38Crmo-42Crmo etc, stainless steel .
        5. Hardness grade: 8.8s,10.9s ,12.9s