Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 4371-1978
Scope
This standard applies to deep belly circular threads with clearance and a pitch of 7mm and stipulates the thread profile, marking symbols and nominal dimensions.
CNS 4371-1978 history
1978CNS 4371-1978 Round Thread with Clearance and Steep Flank with Pitch 7 mm Theoretic Values