BBI® 693240 Teks® Fully Threaded Self-Drilling Screw, 1/4-14, 1-1/2 in OAL, Indented Hex/Washer Head, Hex Drive, Low Carbon Steel

BBI® Self-Drilling Screw, Fully Threaded, series: Teks®, Imperial, 1/4-14 Thread, 1-1/2 in Overall Length, Indented Hex/Washer Head, Hex Drive, Low Carbon Steel, Zinc CR+3, Drill Point, #3 Point, 0.438 in Drive, 0.59 in Head, BSD Thread, HRC 32 to 40 Hardness.