ITC Comparator (Bases & Accessories)

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Quick Overview

  • Precision: Rigid construction and constant gaging pressure ensure highly accurate and reliable measurements. Precision is crucial for evaluating internal threads where minute variations can impact functionality.
  • Definitive Readings: Reads the actual size of the pitch diameter, displaying its position in relation to the assigned tolerance. Provides detailed insights beyond a binary pass or fail assessment.
  • Gaging Range: Covers a broad size range from #10 through 2 1/2". Larger frames available, extending versatility to cover up to 8" thread diameters. 
  • Versatility: Positive alignment feature of the frame allows easy interchangeability of thread segments. Accommodates variations in thread designs and configurations.
  • Efficiency: Significantly reduces inspection time compared to traditional methods like GO/NO GO plug gages. Contributes to overall cost-effectiveness in production and quality control processes.
  • Adaptability: Applicable to a variety of components with different internal thread sizes. Versatile tool for industries with diverse threading requirements.
  • Ease of Use: Quick and easy initial setting with a class W full form master thread plug or cylindrical master. Simplifies setup and adjustments for efficient use.
  • Long Work Life: Rolls revolve with the work, distributing wear evenly for a long, precise life. Ensures durability and consistent performance over an extended lifespan.
  • Economic Savings: Efficient inspection processes contribute to time and cost savings. Strikes a balance between accuracy and productivity, optimizing resource utilization. 
  • Reliability: Rigid construction and constant gaging pressure ensure consistent and reliable performance. Contributes to the reliability and integrity of internal threaded connections.
  • Streamlined Workflow: Positive alignment feature and ease of interchangeability streamline the inspection process. Enhances overall workflow efficiency in internal thread manufacturing.
  • Quality Assurance: Ensures the quality and precision of internal threaded connections. Meets stringent quality standards, contributing to the overall reliability of products.
350883 Multiple Mounting Bar
Regular price


$64.00 Sale
350900 Dual Frame Base Assembly
Regular price


$111.00 Sale
351094-101700 ITC Base and Accessories
Regular price


$125.00 Sale

The ITC (Internal Thread Comparator) is an advanced tool designed for the precise measurement and inspection of internal thread characteristics. Specifically crafted for assessing pitch diameter and ensuring compliance with designated tolerance ranges, the ITC Comparator offers a range of features that contribute to its effectiveness and versatility.

At its core, the ITC Comparator is built with a focus on precision. The rigid construction and constant gaging pressure of the ITC ensure that the readings obtained are highly accurate and reliable. This precision is crucial when evaluating the internal threads of various components, where minute variations can have significant implications for the functionality and compatibility of threaded connections.

How to Use an Internal Thread Comparator

One of the standout features of the ITC Comparator is its ability to provide definitive readings. Unlike traditional methods that may offer a binary assessment of thread conformance, the ITC goes beyond a simple pass or fail. It reads the actual size of the pitch diameter and displays its position in relation to the assigned tolerance. This nuanced information allows for a more detailed understanding of the thread's quality, contributing to better-informed decisions in the manufacturing and assembly processes.

The gaging range of the ITC is noteworthy, covering a size range from #10 through 2 1/2". This broad range ensures that the ITC is applicable to a variety of components with different thread sizes. Additionally, larger frames are available, extending the versatility of the ITC to cover even larger thread diameters, up to 8 inches. This adaptability makes the ITC a valuable tool for industries with diverse threading requirements, providing a comprehensive solution for internal thread inspection.

Versatility is further enhanced through the positive alignment feature of the ITC frame, allowing thread segments to be easily interchanged. This feature adds flexibility to the inspection process, accommodating variations in thread designs and configurations. The ease of interchangeability streamlines the workflow, making the ITC Comparator a practical and efficient tool for quality control and assurance in threaded components.

The economic benefits of the ITC Comparator are substantial. Inspection time is significantly reduced compared to traditional methods such as GO/NO GO plug gages. The efficiency gained from using the ITC not only saves time but also contributes to overall cost-effectiveness in the production and quality control processes. As industries strive for efficiency and precision, the ITC Comparator emerges as a valuable asset, offering a balance between accuracy and productivity.

In summary, the ITC Comparator represents a pinnacle in internal thread inspection technology. Its precision, definitive readings, broad gaging range, versatility, and economic advantages make it a preferred choice for industries where internal threads play a critical role. Whether assessing the compatibility of fasteners, ensuring the integrity of threaded connections in machinery, or meeting stringent quality standards, the ITC Comparator stands as a reliable and indispensable tool in the realm of thread measurement and inspection.

These benefits collectively position the Internal Thread Comparator (ITC) as a crucial tool for industries where precise measurement and inspection of internal threads are essential for maintaining quality, functionality, and integrity in various applications.