6 5/8 REG Working Ring

6-5/8″ Regular Rotary Shouldered Connection (REG) Work Ring Gauge

China made 6 5/8 REG API thread gauge ring &working plug gage

Regular Rotary Shoulder Connection API Spec 7-2 working/master gage

• Type: REG
• Thread Form: V-0.050
• TPI: 4
• TPF: 2
• Taper: 1:6

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