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API IF 6 5/8 Rotary Shouldered Connection Gauge API Spec 7-2 for Oil & Gas Drill Pipe

API IF 6 5/8 Rotary Shouldered Connection Gauge API Spec 7-2 for Oil & Gas Drill Pipe

  • Highlight

    API IF 6 5/8 rotary shouldered gauge

    ,

    API Spec 7-2 drill pipe gauge

    ,

    oil and gas thread inspection gauge

  • Warranty
    One Year
  • Type
    API Internal Flush(IF) Thread Gauge
  • Operation Pressure
    API
  • Standard
    API 7-2
  • Size
    6 5/8 IF
  • Form Of Thread Inspected
    V-0.065
  • Taper
    1:6
  • Applicable Medium
    Mud, Water, Natural Gas
  • Customized
    Acceptable
  • Place of Origin
    Shaanxi, China
  • Brand Name
    KM
  • Certification
    ISO DIN GB RoHS
  • Delivery Time
    50000pieces/Month
  • Payment Terms
    T/T,L/C,D/P,D/A,PayPal,etc.

API IF 6 5/8 Rotary Shouldered Connection Gauge API Spec 7-2 for Oil & Gas Drill Pipe

API IF 6 5/8 Rotary Shouldered Connection Gauge API Spec 7-2 for Oil & Gas Drill Pipe


Description:

API IF Thread Gauge (Internal Flush Rotary Shouldered Connection) is used to verify thread pitch, thread profile, pitch diameter and other key parameters of drill pipe rotary shouldered connections, manufactured strictly in accordance with API Spec 7-2, designed for accurate inspection of drill pipe thread dimensions in oil & gas OCTG industry.
 
IF thread gauge set includes thread plug gauge and thread ring gauge, available in working gauge and master gauge types.
Made of high-quality GCr15 bearing steel, through overall quenching and low-temperature tempering treatment, achieving high hardness, excellent wear resistance and stable dimensional performance.
 
API IF rotary shouldered connection gauge is widely applied for drill pipe production factory,oilfield service company, third-party calibration lab and OCTG maintenance workshop.


We support custom specifications, and each gauge supplied with calibration certificate.


Quick Details:

1. Standard: API Spec 7-2
2. Material: GCr15
3. Hardness: 60-63HRC
4. Come with calibration certificate.


When you order, please specify the following information:
1. Type and Sizes of connections
2. Master gauge or working gauge
3. Ring or plug or set


Specification:

Size

Form of Thread Inspected

Pitch per 25.4mm

Taper

Form of Angle

Basic Pitch Dia

5 1/2 IF

V-0.065

6.350(4)

1:6

60°

157.201

6 5/8 IF

V-0.065

6.350(4)

1:6

184.075


Applications:

Full hole working gauges are mainly used in the petroleum oil and gas industry.


Precautions:

1. It is not allowed to touch the working surface of the gauge with your hands, so as not to cause rust.

2. Inspect regularly to see if there is any damage, rust or deformation. If you find that the gauge begins to rust,

    you should put it in gasoline and soak it for a period of time, then take it out and wipe it carefully, and apply anti-rust oil.

3. Do not save the working surfaces of the two gauges together, otherwise the two working surfaces

    will be glued to each other, and the gauge will be unnecessarily damaged when separated by external force.

4. After used the threaded gauges, it should be wiped clean and stored under dry condition.


FAQ:

Q1: What does an IF thread gauge set consist of?

A: The IF thread gauge set includes a thread plug gauge and a thread ring gauge. We also supply ring gauge or plug gauge separately.

Q2: What are the two types of IF thread gauges? What is the difference?

A: We have master gauge and working gauge.

  • Master gauge: higher precision, used as reference standard to calibrate working gauges in labs.
  • Working gauge: for routine on-site inspection and mass production checking.

Q3: How to maintain the thread gauge to extend service life?

A: Clean thread surface after use, keep dry and avoid impact or scratch on thread profile. Store in a dry and constant-temperature environment. Regular calibration is recommended for heavy use.

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

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100%
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All Reviews

J
J*
Canada Mar 15.2026
NC35 rotary shouldered connection gauge is super accurate, it perfectly matches the petroleum industry’s high requirements!!