... 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 steel, Brass. Spring ... Cr Cu or Ni Plated9,Delivery time: 1 and half month 10,Advantage: Perfect quality, excellent service, low prices chipboard screw