Elco Bi-Flex 300 Series SS Fasteners: 10-16 x 1-1/2, Hex Head, #2 Point#10 16 x 1 1 2" bi metal screws with a 300 series stainless steel head and threads fused to hardened steel lead threads and self drilling point. Stalgard GB coating provides a galvanic barrier. #2 self drilling point can drill thicknesses up to . 110". 5 16" hex drive. Specifications Dia. TPI 10 16 Length (L) 1 1 2 in Head Style Hex Drive System 5 16 in Hex Point Style #2 Max. Load Bearing Length (B)1 1. 100 in Pieces per 1 4 Keg 2500 Weight per 1 4