API Oil & Gas Industry Gauges Catalogue

Product catalog summary

Overview of KURODA API Thread Gauges
Kuroda Precision Industries Ltd. has been a prominent manufacturer of API Thread Gauges since 1957, holding licenses for API Specification 5B and 7-2. These gauges are globally recognized for their quality and reliability.

Specifications and Features

Specifications: Kuroda offers a variety of thread gauges according to API Spec. 5B and 7-2, including special thread forms and diameters up to 20 inches (508mm).
Light-Duty: In 1975, Kuroda introduced lighter gauges ranging from 6 5/8 to 20 inches.
Durability: The use of suitable materials and treatments ensures a longer operating life.
Ease of Use: Products include standard handles for portability and maintenance, with additional features like Notch and Limit Plates available.
Advanced Technology: Custom gauges can be designed to exceed API specifications for specific needs.
Manufacturing Capabilities: Kuroda develops its own grinding machines for precision manufacturing.
Quality Assurance: As an ISO 17025 approved firm, Kuroda is authorized to calibrate instruments, ensuring high-quality products.

Ordering Information
Customers should specify the type of thread, size of gauge, reference master or working gauges, plug or ring, hand orientation for API Spec. 7-2 thread gauges, and inspection results in inches or metric when placing an order.

Thread Gauge Types
The document lists various types of thread gauges, including Line Pipe, Casing Round, Non-Upset Tubing, External-Upset Tubing, Regular Style, Extreme-Line Casing, Buttress Casing, Full-hole, and Internal-flush styles, each with specific thread angles, sizes, TPI (threads per inch), and tapers.

Conclusion
Kuroda continues to innovate and provide high-quality thread gauges, maintaining its reputation as a pioneer in the industry since its founding in 1925.

Introduction
Kuroda Precision Industries Ltd., established in 1925, has been a pioneer in the gauge manufacturing industry in Japan. The company has achieved significant milestones, such as being the first in Japan to receive the authority to mark JIS "Grade 1" thread gauges and the first in the East to obtain a production license for API gauges.

Importance of Gauges
Gauges are crucial for quality control and assurance, especially with the increasing emphasis on measurement traceability in quality management systems like ISO 9000 Series. Kuroda plays a vital role in ensuring this traceability through the calibration and certification of gauge blocks and other measurement equipment.

Product Range and Recognition
Kuroda manufactures a wide range of gauges, from 1mm to 500mm, and their API gauges are highly recognized globally, used by national test authorities, research institutions, and major pipe manufacturers.

Contact Information
Head Office: 239, Shimohirama, Saiwai-ku, Kawasaki, Kanagawa 212-8560, Japan
Telephone: 81-44-555-3801
Fax: 81-44-555-1479
Email: [email protected]

Conclusion
Kuroda continues to advance in the gauge industry, maintaining high product quality and reliability, and is committed to supporting the traceability of measurement equipment to national standards.

Catalog excerpts

API Oil & Gas Industry Gauges Catalogue-2

Type of Thread KURODA’S API (American Petroleum Institute) Thread Gauges Features of KURODA API Gauges [Light-Duty] • In 1975, ahead of the times, KURODA was successfully made and Premium Connection Gauges have been used worldwide and receiving the highest quality reputation. KURODA has been Line Pipe Thread Gauges Thread Angle : 60˚ Casing Round Thread Gauges Thread Angle : 60˚ Buttress Casing Thread Gauges Thread Angle : 3˚×10˚ granted the right of use of API Official Monogram for the following API Thread Gauges since1957; Specification 5B under the License No. 5B-0015, Specification 7-2 under...

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API Oil & Gas Industry Gauges Catalogue-3

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API Oil & Gas Industry Gauges Catalogue-5

Since its founding in 1925, KURODA Precision Industries Ltd. has continued to advance with the history of gauges in our country, and has been striving for improvement in the product quality and reliability. As a result, KURODA has successfully received the highest class evaluation as a pioneer of gauge manufacturer, such as an authority to indicate JIS "Grade 1" thread gauge mark for the first time in Japan and a production license for API gauges first time ever in the East. The importance of gauges has been recognized anew, because they play a significant role in quality control and quality...

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