标准:
标准库
(10)
JG/T 5057.1-1995Construction machinery and equipment high strength hex head bolts
JG/T 5057.2-1995Construction machinery and equipment high strength hex head bolts-full thread
JG/T 5057.3-1995Construction machinery and equipment high strength hex head bolts-reduced shank
JG/T 5057.5-1995Construction machinery and equipment high strength hex head bolts-fine thread
JG/T 5057.4-1995Construction machinery and equipment high strength hex head bolts with large hex head
JG/T 5057.6-1995Construction machinery and equipment high strength hex head bolts-Full fine thread
JG/T 5057.7-1995Construction machinery and equipment high strength bolts with hexagon flange—Type A
JG/T 5057.7-1995Construction machinery and equipment high strength bolts with hexagon flange—Type B
JG/T 5057.8-1995Construction machinery and equipment high strength bolts with hexagon flange-reduced shank—Type A
JG/T 5057.8-1995Construction machinery and equipment high strength bolts with hexagon flange-reduced shank—Type B