1) Stud 2)Material: Carbon steel, B7, 42CrMo 3)Surface: Plain, Black, HDG, Dacromet, etc ... -speed Train, Petroleum and Petrochemical field, etc.. 1) Product name: full thread studs/rods2) Size: M16 to M100 or According to ... be made according to the buyer's requirements.3) Material: Carbon steel, B7, 42CrMo, etc4) Standard: DIN, ANSI, BS, JIS, GB ...