Product Name: Machine Key / Square Key / Parallel Key (DIN6880) Model NO.: DIN 6880 Head Type: Square Surface Treatment: Plain, Zinc Plating Connection: Machine Key Material: Carbon Steel, Stainless Steel Standard: DIN, ANSI, GB, JIS, BSW Square Key, Key Steel: Machine Key, Parallel Key, 1m Length Key, DIN6880 Trademark: Sea Song Transport Package: Wooden Pallet Specification: DIN, ANSI, BS, UNI Origin: China HS Code: 848 Product Description Machine Key / Square Key DIN 6880Imperial or Metric sizes. Length: 1000mm. Material: Carbon steel C35, C45, Q235, A3. Stainless steel ANSI 304, 316.Surface Finish: Plain, Zinc Plating, Black. Size, thickness, style or other specifications can be designed according to your demand.