This standard specifies the type and size, technical requirements, performance test, marking and packaging of gas cylinder taps and threaded taps. This standard is applicable to the taps for processing the taper thread of the special thread of the gas cylinder.
GB 10878-1999 history
2011GB/T 10878-2011 Special taps of taper threads for gas cylinders
1999GB 10878-1999 Speclal taps of taper threads for gas cylinders
GB 10878-1999 Speclal taps of taper threads for gas cylinders was changed to GB/T 10878-2011 Special taps of taper threads for gas cylinders .