Product Name: Steel Concrete Nails Model NO.: 1/2"-4" Material: Carbon Steel Type: Round Head Standard: ANSI, DIN, GB, JIS, Bsw Groove: Flower Connection: Common Bolt Head Style: Round Grade: 6.8 Trademark: klt strength Transport Package: Carton, , Plastic Bag, Gunny Bag, Pallet Specification: 1/2"----4" Origin: China HS Code: 7317000000 Product Description Steel Concrete NailsGalvanized Concrete NailsConcrete NailsSpecifications:Size: 1/2"-4"Material: 45#steel,55# steel,60#steelSurface Treatment: Bright, E. G, V. C, ZP and so onHead: Flat Countersunk HeadShank: Smooth/Flute shankPoint: Diamond Point or Needle PointPacking Details: 1)20-25kgs/CTN, 2)50lb/CTN, 3)30lb/Bucket, 4)5kgs/Box, 4)1kg/Bag etc.