Thread Gauges For Measuring Correctness Of Thread Sizes Sub Type And Bail Type Drift For Casing

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Product Overview

Oilfield drilling equipment thread drift gauges are high-precision measuring tools specially used to detect the thread size, shape and connection accuracy of various oil drilling tools (such as drill pipes, casings, tubing, joints, etc.). Its design strictly follows international standards (such as API Spec 7-1, ISO, etc.), which can ensure the interchangeability, sealing and safety of drilling equipment threads. It is a key tool for oilfield equipment production, maintenance and quality control.

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Product Classification

Oilfield drilling equipment thread drift gauges can be divided into many types according to shape and purpose, including ordinary coarse pitch, fine pitch and pipe thread drift gauges, as well as ring gauges and plug gauges. Ring gauges are mainly used to detect external thread sizes, while plug gauges are used to detect internal thread sizes.

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Instructions for use

1. Select the appropriate specification‌: Select the appropriate thread gauge according to the thread specification to be inspected.
2. Clean thread‌: Before inspection, ensure that the surface of the thread to be inspected is clean and free of oil and impurities.
3. Measurement‌: Gently screw the thread gauge into the thread to be inspected until it can no longer be screwed in. Observe the fit between the thread gauge and the thread to determine whether the thread size is qualified.
4. ‌Maintenance‌: The thread gauge should be cleaned in time after use and properly stored to avoid damage and deformation.

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‌Precautions‌

1. During use, excessive force should be avoided to cause damage or deformation of the thread gauge.
2. The thread gauge should be calibrated and maintained regularly to ensure its measurement accuracy.
3. When storing, it should be placed in a dry and ventilated place to avoid moisture and corrosion.

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Core functions

      1. Thread accuracy detection 

        o Detect key parameters such as thread pitch, taper, tooth angle, and median diameter to ensure compliance with API standards.

      2. Quality control assurance

        o Used to quickly determine the quality of thread processing on the production line to avoid underground accidents caused by unqualified threads.

      3. Service life assessment

        o Regularly test the wear degree of the drill thread to assess the remaining life of the equipment and reduce operational risks.

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Product features

• High-precision manufacturing: CNC grinding and ultra-precision machining technology are used, with a tolerance of ±0.003mm, meeting the highest precision requirements of API.
• Strong durability: The material is made of high-strength alloy steel (such as GCr15, H13), and the surface is hard chrome plated or nitrided for wear and corrosion resistance.
• Standardized design: Provide a variety of specifications and models, covering API standard thread types (such as NC, FH, IF, REG, etc.), ensuring international versatility and reliability, and supporting customized non-standard specifications.
• Convenient operation: Equipped with a calibration certificate, providing clear go (GO) and no go (NO GO) markings, quickly determine the thread qualification.

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Product specifications

Covering a variety of specifications to adapt to different sizes and types of oilfield drilling equipment threads. Common specifications include API (American Petroleum Institute) standard series, such as 1.050” - 20.000” and other thread drift gauges corresponding to different pipe diameters, which can meet various conventional and special size requirements of oilfield drilling equipment thread detection.

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Technical parameters

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Scope of application

• Inspection objects:

Drill pipe joints, casing nipples, tubing threads, blowout preventer connectors, etc.

• Application scenarios

• Quality inspection of production lines in drilling tool manufacturers
• Equipment maintenance and inspection at oilfield sites
• Standardized acceptance by third-party testing agencies

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Use and maintenance

• Operating specifications: Clean the gauge and the thread to be tested before use to prevent impurities from affecting the accuracy; the through end should be screwed in smoothly, and the stop end should not enter.
• Maintenance recommendations: Wipe with non-woven cloth regularly and apply anti-rust oil, store in a constant temperature and dry environment, and it is recommended to return to the factory for calibration once a year.

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Quality certification

• Comply with API Spec 7-1 and ISO 10424-2 standards
• Strict inspection process: From raw materials entering the factory to finished products leaving the factory, every link undergoes strict quality inspection.
• Certified by the National Institute of Metrology (CNAS)
• Provide third-party inspection reports and calibration certificates

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Purchase recommendations

Select the corresponding gauge according to the drilling equipment model, thread specifications and inspection requirements, and support customized non-standard sizes and special coating requirements.

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After-sales service

• Provide technical consultation
• 3-month warranty, lifetime maintenance

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Contact us

If you need product selection support or customized services, please contact our engineering team to get precise solutions.

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Product display:

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Product package:

Product packaging: iron box or iron frame, wooden pallet, wooden box, bulk or customized according to customer requirements.

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Product detection:

100% inspection will be carried out before shipment, and video image data and inspection reports will be provided.

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Accepted delivery terms:

FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery, DAF, DES.

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About HuiChi (HC) petro:

Shandong Huichi Industry & Trade is a professional supplier of drilling equipment for the oil and gas industry. We are committed to providing the best products and services to customers around the world.

We HuiChi (HC) Petro always regard our customers as our partners and aim to achieve long-term cooperation value. Our Huichi products cover different fields such as oil fields, water wells, HDD, etc.

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Why choose HuiChi (HC) petro?

One-stop drilling equipment supply;

Employee engineers have more than 10 years of experience in supplying drilling equipment;

More than 10 people engaged in export business;

More than 40 partner countries and regions;

More than 200 customers having close cooperative relationships;

More than 250+ partner factories as suppliers.

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Focus on well drilling equipment , we have been working hard and hope to become your most professional oil & gas equipment supplier and the best partner!

Sales Manager: Cherry Chi

Email: cherry@huichipetro.com

Mob/WhatsApp/We chat: +86 15553820372