Dry wall screw 1) standard: din, /asme, bs, non-standard 2) diameter: 2-10mm 3) length: 10-100mm 4) material: carbon steel 5) grade:4.8, 6.8, 8.8 6) finish:zinc plated, nickel plated, hot dipped galvanized, black 7) packing:into carton/sack and palletized generally 25kg per unit Packing:into carton/sack and palletized generally 25kg per unit