1,Name : chipboard screw or DIN7505 2,Standard: DIN,ISO,GB,ANSI,JIS 3,Advantage: Perfect quality, excellent ... service, low pric 1,Name : chipboard screw or DIN7505 2,Standard: DIN,ISO,GB,ANSI,JIS3,Material : Stainless Steel and carbon ... ,Class: 4.8 6.0 8.8 12.9grade6,Dia: 2.5mm-6.3mm7,Length:11-200mm8,Finish: Black, Zinc Plated ...