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Snap Gauge

Snap gauges, also known as gap gauges or limit gauges, are mechanical measuring instruments designed to quickly and accurately determine the dimensional tolerance of work pieces. Snap gauges are precision measurement tools widely used in manufacturing and quality control processes to ensure the accuracy and consistency of machined components. They play a crucial role in verifying the dimensional conformity of parts, facilitating efficient production and maintaining high standards of quality.


  • Speed and Efficiency: Snap gauges allow for quick and straightforward measurements, reducing inspection time and increasing productivity.
  • Accuracy: With proper calibration and handling, snap gauges offer precise measurements, ensuring the quality and consistency of manufactured parts.
  • Versatility: Snap gauges can be used across a wide range of industries and applications, making them valuable tools in various manufacturing processes.
  • Material: OHNS
  • Surface Treatment: Blackodising.
  • Hardness: 58 -62 HRC.

Plug Gauge

Plug gauges are precision measuring tools used to check the diameter or depth of holes or bores in machined parts. Plug gauges come in two main parts, Go Plug gauges, which verify whether the diameter of the hole falls within acceptable limits, and No-go plug gauges, which confirm that the hole is not too large. They are commonly used in industries such as automotive, aerospace, manufacturing, and machining for quality control purposes, ensuring that machined parts meet specified dimensional requirements. Plug gauges offer high accuracy, repeatability, and ease of use, making them indispensable tools in various manufacturing and engineering applications.

  • Speed and Efficiency: Plug gauges allow for quick and straightforward measurements, reducing inspection time and increasing productivity.
  • Accuracy: With proper calibration and handling, Plug gauges offer precise measurements, ensuring the quality and consistency of manufactured parts.
  • Versatility:Plug gauges can be used across a wide range of industries and applications, making them valuable tools in various manufacturing processes.
  • Material: OHNS
  • Surface Treatment: Blackodising.
  • Hardness: 58 -62 HRC.

Ring Gauge

A Ring gauge is a precision tool used to measure the outer diameter of cylindrical objects, typically shafts, rods, or cylindrical parts. It consists of a cylindrical ring with a precisely machined inner diameter that corresponds to a specific dimension. The outer surface of the Ring gauge is usually knurled or textured to provide a secure grip for handling.

Ring gauges come in various types, including Go ring gauges and No-go ring gauges:


  1. Go Ring Gauge: This type of ring gauge is designed to check whether the outer diameter of the cylindrical part falls within an acceptable tolerance range. If the part fits smoothly into the Go ring gauge without any resistance, it indicates that the diameter is within tolerance.
  2. No-Go Ring Gauge: Conversely, a No-Go ring gauge is used to verify that the outer diameter of the part does not exceed the maximum allowable limit.
  • Speed and Efficiency: Ring Gauges allow for quick outer dia measurements on production line, reducing inspection time and increasing productivity.
  • Accuracy: With proper calibration and handling, these gauges offer precise measurements, ensuring the quality and consistency of manufactured parts.
  • Versatility: Ring gauges can be used across a wide range of industries and applications, making them valuable tools in various manufacturing processes.
  • Material: OHNS
  • Surface Treatment: Blackodising.
  • Hardness: 58 -62 HRC.

Setting Masters

"Setting masters" are precision measuring tools used to calibrate or set up other measuring instruments or gauges. They are highly accurate reference standards with known dimensions that serve as a basis for calibrating or verifying the accuracy of other measuring devices.

Setting masters come in various forms depending on the specific application and the type of measurements being made. Some common types include


Setting Ring: These are used to set bore gauges to check internal dia.

OD Setting Master: These are used to set calipers, Micrometers, to check external dia.

Height master: These Gauges are used to set length & Height.


  • Accuracy: With proper calibration and handling, these gauges offer precise measurements, ensuring the quality and consistency of manufactured parts.
  • Material: OHNS
  • Surface Treatment: Blackodising.
  • Hardness: 58 -62 HRC.

Long Slip Gauge Box

A long slip gauge box, also known as a precision gauge block set or slip gauge set, is a collection of precision machined blocks used for dimensional measurement in metrology and quality control applications. These gauge blocks are made to extremely tight tolerances and are used as reference standards for verifying or calibrating measuring instruments and tools. Here's an overview of the features and functions of a long slip gauge box:

  1. Gauge Blocks: The long slip gauge box contains a set of rectangular or square-shaped gauge blocks, typically made of high-grade steel, ceramic, or carbide. Each gauge block has two parallel faces ground to precise flatness and parallelism.
  2. Dimensional Accuracy: Gauge blocks are manufactured to extremely tight tolerances, typically within a few micrometres or even less. They are calibrated to specific lengths with an accuracy of a few millionths of an inch or better.
  3. Long Blocks: A long slip gauge box may contain gauge blocks of various lengths, including long blocks that are longer than standard gauge blocks. These long blocks allow for measuring larger dimensions or stack-ups of multiple blocks to create custom lengths.
  4. Interchangeability: Gauge blocks are designed to be interchangeable, meaning that any block of a given length can be combined with other blocks to create a specific dimension. This interchangeability allows for versatile and flexible measurement setups.
  5. Wringing: Gauge blocks are often used in combination with a technique called "wringing," where two gauge blocks are placed together with a thin film of oil between them. The blocks are then pressed together, and the oil forms a temporary bond, creating a stable and accurate measurement standard.
  6. Calibration: Long slip gauge boxes require periodic calibration to ensure their accuracy and reliability. Calibration involves comparing the gauge blocks' lengths to a known standard and making any necessary adjustments to correct for any discrepancies.
  7. Storage Box: The gauge blocks are typically housed in a sturdy storage box or case to keep them organized and protected when not in use. The storage box may have compartments or slots for each gauge block, making it easy to find and access the desired block.
  8. Applications: Long slip gauge boxes are used in various industries and applications where precise dimensional measurements are critical, such as automotive manufacturing, aerospace, machining, and engineering. They are commonly used for calibrating measuring instruments, setting up inspection fixtures, and verifying the accuracy of machine tools.

Comparator Stand

A comparator stand is a tool commonly used in metrology and quality control processes to hold and support various types of measuring instruments, such as dial indicators, test indicators, or dial test indicators. Comparator stands provide a stable and adjustable platform for accurately positioning and measuring work pieces or components. Here are some key features and functions of comparator stands:

  1. Stability and Rigidity: Comparator stands are typically constructed from sturdy materials such as cast iron, steel, or aluminium to provide stability and rigidity during measurement operations. This helps minimize vibrations and deflections that could affect measurement accuracy.
  2. Adjustability: Comparator stands are designed to be adjustable to accommodate different measurement setups and work piece sizes. They often feature adjustable columns, arms, and clamps that allow for precise positioning of measuring instruments relative to the work piece.
  3. Mounting Options: Comparator stands may offer various mounting options to accommodate different types of measuring instruments. Common mounting options include dovetail mounts, magnetic bases, or clamp mounts, depending on the specific requirements of the measurement task.
  4. Fine Adjustment: Many comparator stands feature fine adjustment mechanisms that enable precise alignment and positioning of the measuring instrument relative to the work piece. These adjustments allow for accurate measurement readings and repeatability.
  5. Compatibility: Comparator stands are compatible with a wide range of measuring instruments, including dial indicators, test indicators, and dial test indicators. They provide a versatile platform for performing various dimensional measurements, including linear, angular, and depth measurements.
  6. Versatility: Comparator stands are used in diverse industries and applications, including manufacturing, machining, automotive, aerospace, and quality control laboratories. They are suitable for measuring both small and large workpieces with high accuracy and repeatability.
  7. Integration with Measuring Systems: Comparator stands can be integrated with automated measuring systems, such as coordinate measuring machines (CMMs) or vision measurement systems, to enhance measurement capabilities and efficiency. They provide a stable and reliable platform for mounting and positioning measuring sensors and probes.
  8. Portability: Some comparator stands are designed to be portable, allowing for easy transportation between different workstations or measurement locations. Portable stands may feature compact designs and lightweight construction for added convenience.

Overall, comparator stands are essential tools in metrology and quality control applications, providing a stable and adjustable platform for accurate and repeatable dimensional measurements. They play a crucial role in ensuring product quality, compliance with specifications, and process efficiency in various industries.

Flush Pin Gauge

A flush pin gauge, also known simply as a flush pin, is a precision measurement tool used primarily in manufacturing and quality control processes to check the Depth of hole.It is designed to check the depth of blind hole from a reference face, particularly in machined or assembled parts.

The gauge consists of a cylindrical pin and a ring with a precisely defined length and diameter, often made from hardened steel or other durable materials. The end of the pin is typically flat and perpendicular to the axis of the cylinder.

Flush pin gauges are commonly used in industries such as automotive manufacturing, aerospace, metalworking, and electronics assembly. They are essential for ensuring that components fit together properly and meet precise dimensional specifications.


  • Speed and Efficiency: Flush pin Gauge allow for quick depth measurements on production line, reducing inspection time and increasing productivity.
  • Accuracy: With proper calibration and handling, these gauges offer precise measurements, ensuring the quality and consistency of manufactured parts.
  • Versatility:Flush pin gauges can be used across a wide range of industries and applications, making them valuable tools in various manufacturing processes.
  • Material: OHNS
  • Surface Treatment: Blackodising.
  • Hardness: 58 -62 HRC.

Carbide Slip Gauge Box (Zero Grade)

A carbide slip gauge box zero grade refers to a set of slip gauges made from carbide material with a grade of zero. Slip gauges, also known as gauge blocks, are precision measurement tools used for calibrating and verifying the accuracy of dimensional measuring instruments. Here's a breakdown of the key components and characteristics of a carbide slip gauge box with a zero grade:

  1. Carbide Material: Carbide slip gauges are typically made from tungsten carbide or other carbide materials. Carbide is chosen for its high hardness, wear resistance, and stability, making it suitable for precision measurement applications.
  2. Zero Grade: The term "zero grade" indicates that the slip gauges in the set are manufactured to extremely tight tolerances, with no tolerance deviation. This means that each gauge block in the set has a precisely calibrated length, ensuring high accuracy and reliability.
  3. Precision Machining: Carbide slip gauges are machined with exceptional precision to achieve flatness, parallelism, and dimensional accuracy within tight tolerances. The surfaces of the gauge blocks are ground and lapped to achieve the desired specifications.
  4. Interchangeability: Like other slip gauge sets, carbide slip gauge sets with zero grade are designed to be interchangeable. This means that any gauge block of a given length can be combined with other blocks to create specific dimensions for calibration or measurement purposes.
  5. Wringing: Carbide slip gauges can be used with the wringing technique, where two gauge blocks are pressed together with a thin film of oil between them. The oil forms a temporary bond, ensuring stability and accuracy during measurement.
  6. Applications: Carbide slip gauge sets with zero grade are used in industries and applications where extremely precise dimensional measurements are required. They are commonly used for calibrating precision measuring instruments, setting up inspection fixtures, and verifying the accuracy of machine tools in industries such as aerospace, automotive, manufacturing, and engineering.
  7. Storage and Protection: Carbide slip gauge sets are typically housed in a sturdy storage box or case to protect them from damage and contamination when not in use. The storage box may have compartments or slots for each gauge block, making it easy to organize and access the gauges as needed.

Measuring Pin Set

A measuring pin box, also known as a pin gauge set or pin gauge box, is a precision measurement tool used in metrology and quality control processes to check the diameter or bore size of a hole. It consists of a set of cylindrical pins, typically made of high-grade steel, with precisely machined diameters. These pins are designed to have a specific diameter within very tight tolerances.

Here are some key features and functions of a measuring pin box:

  1. Precision Pins: The measuring pin box contains a set of cylindrical pins, each with a different diameter. These pins are manufactured to very tight tolerances, typically within a few micrometres or even less, ensuring high accuracy and repeatability.
  2. Variety of Sizes: Measuring pin boxes usually come in sets containing a range of pin diameters. The pins may be organized in ascending or descending order of size, making it easy to select the appropriate pin for the measurement task.
  3. Identification: Each pin in the set is usually marked with its diameter for easy identification. This allows operators to quickly select the correct pin size without the need for additional measurements or calibrations.
  4. Storage Box: Measuring pin sets often come in a dedicated storage box or case to keep the pins organized and protected when not in use. The storage box may have compartments or slots for each pin, making it easy to find and access the desired size.
  5. Verification of Hole Size: To use a measuring pin box, the operator selects a pin with a diameter slightly larger than the hole being measured. The pin is then inserted into the hole, and if it fits snugly without any play, it indicates that the hole size is within tolerance. If the pin does not fit or fits too loosely, it suggests that the hole size is too small or too large, respectively.
  6. Calibration: Measuring pin sets require periodic calibration to ensure their accuracy and reliability. Calibration involves comparing the pins' diameters to a known standard and making any necessary adjustments to correct for any discrepancies.
  7. Applications: Measuring pin boxes are used in various industries and applications where precise hole sizes are critical, such as automotive manufacturing, aerospace, machining, and engineering. They are commonly used to verify the accuracy of drilled, reamed, or bored holes in metal or plastic components.

Overall, measuring pin boxes are essential tools for verifying the dimensional accuracy of holes and ensuring the quality and precision of manufactured parts and components. They provide a simple yet effective means of measuring hole sizes with high accuracy and repeatability.

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