... Size:1/4-M16 Spring Nut 1) Description:channel spring nuts , spring channel nuts , channel nuts , strut nuts .Spring type: Long Spring, Regular Spring, Sharp Spring, Short Spring, Top Spring, None Spring.-2) Physical performance ... : made from low carbon steel, C1015, Q235 etcb) high strength: made from high carbon steel such as C1035, C1045, etc, And with ...