Detailed Product Description Chipboard screw Diameter: from 3.5mm~6.0mm 2) Length: from 15mm~150mm3) Material: c1022, ordinary material4) Description: flat head, pan head, countersunk head, crossed, screws 5) Surface treatment: yellow and white zinc platedPacking: small box, 25kg bulk packing Outer packing:36 or 48 boxes/carton with pallet