Model NO: A194 Type: Hexagon Head Head Style: Hexagonal Material: Carbon Steel Standard: ASTM A194 Product Description 1) Grade: A194 Gr. 2H, 2HM 2) Size: 1/4''-4'' 3) Material: Stainless steel, carbon steel, alloy steel 4) Surfaces: Plain, black, zinc (ZP), yellow zinc-plating (YZP), hot dipped galvanizing (HDG), dacromet, nickel- and brass-plating 5) Packaging: 25kgs Per Box, 36 Boxes Per Pallet