Chip board screw 1.Standard:GB,DIN,ANSI,BS,JIS 2.Material:1018 or 1022 carbon steel 3.D:M2.5-M6 4.L:10-300mm Chip board screw 1.Standard:GB,DIN,ANSI,BS,JIS2.Material:1018 or 1022 carbon steel3.Finish: Zinc plated, yellow zink,black zinc4.Thread: 1 cutting, 2 cutting 5.Point: sharp point ,6.Package: plastic bag with paper lable, small box, carton, palletsWe trust depend on our competetivegood ...