BESTO supply API Regular Rotary working, reference and regional master gages per API Specification 7-2 for sizes from 1 to 8-5/8 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the standard.
| REGULAR ROTARY MASTER GAGES | |||
| SIZE | T.P.I. | T.P.F. | THD FORM |
| 1 | 6 | 1.5 | V-0.055 |
| 1-1/4 | 7 | 2 | V-0.020 |
| 1-1/2 | 6 | 1.5 | V-0.055 |
| 2-3/8 | 5 | 3 | V-0.040 |
| 2-7/8 | 5 | 3 | V-0.040 |
| 3-1/2 | 5 | 3 | V-0.040 |
| 4-1/2 | 5 | 3 | V-0.040 |
| 5-1/2 | 4 | 3 | V-0.050 |
| 6-5/8 | 4 | 2 | V-0.050 |
| 7-5/8 | 4 | 3 | V-0.050 |
| 8-5/8 | 4 | 3 | V-0.050 |
Instructions:
1）Implementation of standards：API SPEC7-2：2017
2）Material: GCr15， Measuring surface hardness 60-63HRC;
3）Comes with the calibration certificates issued by NIM.
How to order?
For example:
Pls mark : Master Gauges:3 1/2 REG RING&PLUG, or 3 1/2 REG BOX&PIN,
and E-mail to: sales@bestogages.com