Screwed Nails Material:C1022 Main Feature:with drilling point, bugle head, phillips drive, coarse/fine Thread Screwed Nails1. Material: ... Q195 or Q215 or Q2352.Finish : good polished, flat head, diamond point, hot-galvanized/electro-galvanized, smooth shank 3. ... boat nail, corrugated nails, felt nails, drywall nails, drilling nails, self tapping screws, etc. A variety of nail products in good quality ...