M-Metric Thread-ISO / M-Metric Thread-JIS ; Page 1 | Page 2 | Page 3
W-British Standard Thread
UNC-Unified Coarse Thread
UNF-Unified Fine Thread
UNEF-Unified Extra fine Thread
UNS-Unified Special Thread
BC-Bicycle
SM-Sewing Machine
PS-British Standard Parallel Pipe Thread Gages
PF-Parallel Pipe Thread
NPSM-American Standard Parallel Pipe Thread
NPT-American Standard Taper Pipe Thread Gag
es
NPTF-American Standard Dry Seal Taper Pipe Thread Plug Gages
PT-British Standard Taper Pipe Thread Gage
R-Taper Pipe Thread Gages