Thread Height Inspection-Internal Thread Height Gages
Proper Thread Height maximizes the performance of the connection. Thread height inspection is an API requirement. FYOU PMEC thread height gages inspect external or internal thread height for a variety of thread forms. A shallow thread height may allow the connection to pull apart under stress.
Internal Thread Height Gages
FYOU PMEC also supply several models of internal thread height gages. Please specify the type of thread when ordering. One contact point based on thread type is included. For tubing and casing, standards may be required
| P/N | Model | Description | Connection | Range | Resolution |
| ETH5B-R | FYWGW | External Thread Height | 8-Round & 10-Round | 0～3.5 mm | 0.01mm |
| ITH5B-R | FYWGN | Internal Thread Height | 8-Round & 10-Round | 0～3.5mm | 0.01mm |
| TH5B-BTC | WGW2 | External/Internal Thread Height | ¾” TPF Buttress | 0～3.5mm | 0.01mm |
| ETH038-RSC | WGW4 | External Thread Height | V-038R | 0～4mm | 0.01mm |
| ETH040-RSC | WGW5 | External Thread Height | V-040 | 0～4mm | 0.01mm |
| ETH050-RSC | WGW6 | External Thread Height | V-050 | 0～4mm | 0.01mm |
| ITH038-RSC | WGN-038R | Internal Thread Height | V-038R | 0～4mm | 0.01mm |
| ITH040-RSC | WGN-040 | Internal Thread Height | V-040 | 0～4mm | 0.01mm |
| ITH050-RSC | WGN-050 | Internal Thread Height | V-050 | 0～4mm | 0.01mm |
Thread Height/Addendum Gage Setting Standards
FYOU PMEC supply API mandated precision setting standards for presetting thread height/thread addendum gages. Please specify the type of thread when ordering.
| P/N | Model | Connection Type/Description | TPF | TPI |
| THR-1001 | CGK | API 8-Round Casing, Tubing & Drill Pipe, All 10-Round Tubing, Thread Height | 3/4″ | 8 & 10 |
| THB-1002 | CGK | API Buttress Casing, Internal/External, 4½” – 13⅜” ,Thread Height | 3/4″ | 5 |
| THB-1003 | CGK | API Buttress Casing, Internal/External, 16” – Larger ,Thread Height | 1” | 5 |
| ADD-1004 | CDGK | API 8-Round Casing, Tubing & Drill Pipe, All 10-Round Tubing, Thread Addendum | 3/4″ | 8 & 10 |