Unified National Standard : UN – UNC – UNS –UNF - UNEF
Partial profile : 60° - 55° Metric + Inch
ISO 60° Metric : M - MF
Straight Pipe Mechanical : NPSM
Knuckle thread : RD
Electric tube thread : PG
Unified National Standard : UN – UNC – UNS – UNF - UNEF
ISO 60° Metric: M - MF
Straight Pipe Mechanical : NPSM
Unified National Standard : UN – UNC – UNS – UNF - UNEF
Partial profile: 60° Metric + Inch 55° Inch
ACME : ACME
STUB ACME : STACME