Description
Product Overview
The HHIP 440-piece pin gauge set is engineered for precision measurement in industrial and scientific applications. This comprehensive set includes M1 and M2 pin gauges ranging from .061″ to .500″, manufactured to Class ZZ tolerance (-0.0002″ / +0.0000″) for consistent accuracy. Each gauge is fully hardened to 60-62 RC and finished to 10 microns or better, ensuring exceptional durability and reliable performance. The set comes in a sturdy plastic case with individual compartments and clearly marked sizes, providing organized storage and protection against dust and damage. With dimensions of 13 x 7 x 17 inches and a shipping weight of 29 lbs, it is designed for heavy-duty use in demanding environments.

Usage
This pin gauge set is ideal for precision applications such as inspection, calibration, and tool room operations. It is commonly used by machinists, quality control inspectors, and engineers to verify hole and bore sizes in manufacturing, automotive, and aerospace industries. The gauges are suitable for maintaining accurate measurements in workshops, production floors, and laboratories, ensuring components meet strict tolerances and specifications.
Why Choose Us
HHIP pin gauges stand out due to their high accuracy tolerance and premium construction, which guarantee reliable measurements and long-lasting performance. The organized, dust-proof storage case enhances usability and protects the gauges from environmental factors, reducing the risk of errors. With a 4.2-star rating from 15 customer reviews and a Best Sellers Rank in industrial categories, this set is trusted for its quality and consistency in professional settings.
Key Features
- Comprehensive 440-piece set with gauges from .061″ to .500″ for wide measurement range
- Class ZZ tolerance (-0.0002″ / +0.0000″) ensures high accuracy and reliability
- Fully hardened to 60-62 RC and finished to 10 microns for superior durability
- Sturdy plastic case with individual compartments for easy organization and dust protection
- Ideal for precision applications like inspection, calibration, and tool room use
FAQ
What is the tolerance of these pin gauges?
Each pin gauge is manufactured to Class ZZ tolerance, which is -0.0002″ / +0.0000″, ensuring precise and consistent measurements for industrial applications.
How are the pin gauges stored?
The set comes in a sturdy plastic case with individual compartments and clearly marked sizes, providing organized storage and protection against dust and damage.
What materials are used in the pin gauges?
The pin gauges are fully hardened to 60-62 RC and finished to 10 microns or better, made from high-quality steel for exceptional durability and precision.
What is the weight and dimensions of the set?
The product dimensions are 13 x 7 x 17 inches, with a shipping weight of 29 lbs, making it portable yet robust for various work environments.
Who can use this pin gauge set?
It is designed for professionals in industrial and scientific fields, including machinists, inspectors, and engineers, for tasks like hole verification and calibration.




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