Flange Diameter 1-21/64", Head Width 15/16", Head Height 5/8", Fully Threaded, Tensile Strength 150,000 psi, IFI 111, SAE J429. Often used in heavy duty applications these screws have a flange that eliminates the need for a separate washer. The black oxide finish has mild corrosion resistance in dry environments. Head height includes the flange. Length is measured from under the flange. Grade 8 Black Oxide Steel Flange Bolts FT 5/8"-18 Thread x 2.50" Length

Flange Diameter 1-21/64", Head Width 15/16", Head Height 5/8", Fully Threaded, Tensile Strength 150,000 psi, IFI 111, SAE J429. Often used in heavy duty applications these screws have a flange that eliminates the need for a separate washer. The black oxide finish has mild corrosion resistance in dry environments. Head height includes the flange. Length is measured from under the flange.