Place of Origin : Ningbo,China
China Threaded rods manufacture from M6 diameter though M100 diamater
specifacation:
A193 Gr.B7, B7M, B8, B8M (M6-M10)
A320 Gr.L7, L7M, B8, B8M
DIN975 Gr.4.8, 6.8, 8.8, 10.9, 12.9
DIN976 Gr.4.8, 6.8, 8.8, 10.9, 12.9