API SPEC7-2 REGULAR ROTARY MASTER GAGES
FYOU GAUGES Regular Rotary Master, 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 WORKING/MASTER/TAPER GAGES | |||||
| SIZE | T.P.I | T.P.F | THD FORM | TAPER | ANGLE |
| 2-3/8 REG | 5 | 3 | V-0.040 | 1:4 | 60° |
| 2-7/8 REG | 5 | 3 | V-0.040 | 1:4 | |
| 3-1/2 REG | 5 | 3 | V-0.040 | 1:4 | |
| 4-1/2 REG | 5 | 3 | V-0.040 | 1:4 | |
| 5-1/2 REG | 4 | 3 | V-0.050 | 1:4 | |
| 6-5/8 REG | 4 | 2 | V-0.050 | 1:6 | |
| 7-5/8 REG | 4 | 3 | V-0.050 | 1:4 | |
| 8-5/8 REG | 4 | 3 | V-0.050 | 1:4 | |
Instructions:
1）Implementation of standards：API SPEC 7-2：2017
2）Material: GCr15， Measuring surface hardness 60-63HRC;
3）Comes with the calibration certificates issued by NIM(National institute of Metrology, China),which can be tracealbe to NIST.
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@fyougauges.com