Taperpipe NPT Plug Gage L-1 - 3 1/2-8
NPT L1 plug inspects the functional size or hand tight engagement of couplings or an internal thread
- NPT L1 plug inspects the functional size or hand tight engagement of couplings or an internal thread
- NPTF L1 plug inspects the functional size or hand tight engagement of couplings or an internal thread
- NPTF L3 plug inspects the wrench engagement and taper of couplings or internal threads and is used in conjunction or relationship with the NPTF L1
- NPTF 6 step plug inspects the crest truncation or profile of the internal threads and is used in conjunction with L1 plug
- NPT pipe thread plug and ring gages are manufactured per ANSI/ASME B1.20.1
- NPTF gages are manufactured per ANSI/ASME B1.20.5
- Free NIST certificate of accuracy
| part | NPTP-13 |
| size | 3-1/2-8 |
