... .250"L Suntech Trading Co.,Ltd bolt, nuts, screw, fasteners. Technical/Catalog Information1952VendorKeystone ElectronicsCategoryHardware, Fasteners, AccessoriesBetween ... MaterialBrassPlatingNickelSize0.250" (6.35mm) 1/4" HexThread/Screw/Hole Size6-32 ThreadTypeHex Threaded, Male/FemaleLead Free ... FemaleSize0.188" (4.78mm) 3/16" Outer DiaThread/Screw/Hole Size4-40 ThreadLength - Overall0.250" (6.35mm) ...