Threaded rods/stud bolts (double end studs or full threaded studs). Standard: ASTM A193, A320, ... (double end studs or full threaded studs).•Standard: ASTM A193, A320, DIN975, DIN976, SAE J429 •Class: B7, B7M, ... socket head screws standard: DIN912, ANSI B18.3. •Class: 6.8, 8.8, 10.9, 12.9•ANSI ... .•Delivery: 30 days after order is confirmed•Payment: T/T or L/C at sight•Packing: per your demand. Threaded ...