7 Limit Gauge Manufacturers in 2023
This section provides an overview for limit gauges as well as their applications and principles. Also, please take a look at the list of 7 limit gauge manufacturers and their company rankings.
Table of Contents
What Is a Limit Gauge?
A limit gauge is an inspection device to check whether the threads and female threads are properly formed. There are two main types of gauges: those that must pass through to the end and those that must not.
Since there are various types, sizes, and accuracies of screws, it is necessary to prepare each gauge that matches the object to be inspected.
The inspection process should be devised to minimize differences among inspectors (e.g., by ensuring that the screw insertion force is constant, by standardizing work rules, etc.).
Uses of Limit Gauges
The quality of a screw's workmanship cannot be evaluated based on two-dimensional dimensions or parameters. This is because multiple screw shapes exist in a single base material rather than considering a single screw shape. Even if each screw shape is correct, for example, if there is a misalignment in the relative position of adjacent screws, the screws will not fit together.
In production, for example, it is used as quality assurance during shipment. For items purchased from suppliers, it is used for confirmation upon acceptance. For parts that have been used to some extent, it may be used to determine if they can continue to be used.
Principle of Limit Gauges
When the threads are made in parallel, as is the case with metric threads for general use, which we see relatively often, they have the following shape.
Gauges for male threads have a ring shape with a female thread cut on the inside diameter side. Gauges that must pass through to the end have a larger inside diameter standard, while those that must not pass through have a smaller inside diameter standard. Therefore, if the outside diameter of the screw (bolt, etc.) to be inspected is larger than the appropriate size, it will not pass through the gauges that it must pass through, and if it is smaller, it will pass through the gauges that it must not pass through to the end.
Gauges for female threads are rod-shaped with a thread cut on the outside diameter of the tip. The gauges that must pass through to the end have a smaller O.D. standard, while those that must not pass through have a more significant O.D. standard. Therefore, if the threaded hole (tapped hole) to be inspected is larger than the proper size, the gauge that must not pass through will pass through to the end, and if it is smaller, the gauge must pass through to the end and will not pass through.
Each gauge has an appropriate stopping position for taper threads, which can be inspected and confirmed in the same way as for general metric threads.
List of 7 Limit Gauge Manufacturers
*Including some distributors, etc.
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- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
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- United States of America
- India
Limit Gauge Manufacturer Ranking
*Including some distributors, etc.Ranking as of March 2023 in United States of America
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Gage Assembly Co. | 40% |
| 2 | Precision Gauges And Fixtures | 20% |
| 3 | Penco Precision | 20% |
| 4 | RDP Electrosense, Inc. | 20% |
Ranking as of March 2023 Globally
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | RDP Electrosense, Inc. | 42.9% |
| 2 | Gage Assembly Co. | 28.6% |
| 3 | Precision Gauges And Fixtures | 14.3% |
| 4 | Penco Precision | 14.3% |
Derivation Method
The ranking is calculated based on the click share within the limit gauge page as of March 2023. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
- 3D Solution: 2008 (15 years ago)
- Precision Gauges And Fixtures: 1997 (26 years ago)
- Master Metrology: 1997 (26 years ago)
Company with a History
- Precision Gauges And Fixtures: 1997 (26 years ago)
- Master Metrology: 1997 (26 years ago)
- 3D Solution: 2008 (15 years ago)
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