... the steel collated nails, headless nails, steel sheet nails, concrete nails, screwed nails, twisted nails, square boat nail, corrugated ... , including common iron nails, roofing nails, sinker nails box nails, concrete nail, fence staple nail and so on. Material: ... ,smooth shank Application: Construction , workshop , or others. specification: concrete nails1.material:#452.surface treatment:E.G,H.D.G3 ...