... concrete nail galvanized 45#steel concrete nails head diameter-7mm, shank diameter-3.8mm, length-50mm strength-HRC52 Galvanized Steel Concrete Nail Use for construction Nails ... , headless...Shank type: smooth, spiral, Annular, grooved...Surface treatment: galvanized, black, HDG, ,YZP...Head diameter: 3/16"~1/2"Shank ... small box,carton then pallet or as customers' requirement. Galvanized Concrete Nail