This standard specifies the dimensions, appearance and surface roughness, materials, mechanical properties, mechanical properties

This standard specifies the type and size of the hexagonal flower head fastening screw for countersunk indexable inserts. This sta

JB/T 8362.1-1997 This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy o

This standard specifies the requirements for the manufacture and acceptance of bevel gear quenching machines. This standard is app

This standard specifies the requirements for the manufacture and acceptance of high-precision worm gear hobbing machines. This sta

This standard specifies the requirements and inspection methods for the geometric accuracy, transmission accuracy and working accu

This standard specifies the requirements for the manufacture and acceptance of CNC gear hobbing machines. This standard applies to

This standard specifies the requirements and inspection methods for the geometric accuracy, transmission accuracy and working accu