... casting 1.machine screw size,M3-M36 2.carbon, stainless steel 3.zinc plated,black,etc 4.flat,pan, etc. cast iron casting ... turning, milling, drilling, grinding, broaching, welding and assembly.3.Variety of standards:ISO,GB,DIN,JIS,ANSI4.ISO9001-2008,SGS,ROHS ... order qty.superiorityCustomized size and spec /OEM available Stock goods,free for samples.Picture:4) Factory:5) Packing:6) Company Information ...