JG/T 5057.21-1995
Construction machinery and equipment High strength hexagon nuts,style 1
JG/T 5057.21-1995
Construction machinery and equipment High strength hexagon nuts,washer faced,style 1
JG/T 5057.22-1995
Construction machinery and equipment High strength hexagon nuts,style 2
JG/T 5057.22-1995
Construction machinery and equipment High strength hexagon nuts,washer faced,style 2
JG/T 5057.23-1995
Construction machinery and equipment High strength hexagon thick nuts
JG/T 5057.24-1995
Construction machinery and equipment High strength fasteners
JG/T 5057.25-1995
Construction machinery and equipment High strength large hexagon nuts
JG/T 5057.25-1995
Construction machinery and equipment High strength hexagon large nuts,washer faced
JG/T 5057.26-1995
Construction machinery and equipment High strength hexagon nuts,style 1-Fine pitch thread
JG/T 5057.26-1995
Construction machinery and equipment High strength hexagon nuts,washer faced,style 1-Fine pitch thread
JG/T 5057.27-1995
Construction machinery and equipment High strength hexagon nuts,style 2-Fine pitch thread
JG/T 5057.27-1995
Construction machinery and equipment High strength hexagon nuts,washer faced,style 2-Fine pitch thread
JG/T 5057.28-1995
Construction machinery and equipment High strength hexagon thin nuts-Fine pitch thread
JG/T 5057.29-1995
Construction machinery and equipment High strength fasteners