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This section provides an overview for limit screw gauges as well as their applications and principles. Also, please take a look at the list of 14 limit screw gauge manufacturers and their company rankings. Here are the top-ranked limit screw gauge companies as of December, 2024: 1.OJIYA SEIKI Co.,Ltd., 2.W&Z-Vertrieb GmbH, 3.LFC PTE. LTD..
Table of Contents
A limit thread gauge is used to check screw dimensions, and is available for both male and female threads. The inspection result is not a numerical value, but a pass/fail judgment based on whether the workpiece thread passes through the gauge or not.
Both for male and female threads, a set of two gauges is used to check both the upper and lower limits of the standard. The inspection points are the effective diameter (thickness of the thread) and outer diameter (diameter at the top of the thread) for male threads, and the effective diameter and inner diameter (diameter at the top of the thread) for female threads. Gauges to check the effective diameter look like screws and are used in combination with workpiece screws.
Inspection gauges are also used to check the wear limits of these gauges.
Limit thread gauges are used by manufacturers and users to check bolts, nuts, and other threaded products.
If the manufactured threads and thumbscrews are within the allowable limit dimensions, interchangeability is ensured in the field of use, even if the manufacturer of each part differs. Conversely, if the screw threads do not fit, the screw threads cannot be assembled, or the tightening strength is insufficient, leading to part breakage.
Inspection gauges are also used to check whether the wear of limit thread gauges exceeds the wear limit. If the limit thread gauge is worn too much, the manufacturer's and user's results may differ. To avoid problems, it is important to control the amount of wear of limit thread gauges.
Thread dimensions of limit thread gauges are made to the tolerances specified for each nominal size and grade.
The effective diameter of a thread is the diameter of the hypothetical cylindrical part where the width of the thread peaks and troughs are equal. The gauge used to check the effective diameter is manufactured so that it contacts only the flank (the sloping part of the screw thread that forms the crest and valley) of the workpiece screw, avoiding the top of the crest and the bottom of the valley, so that it is possible to determine if the effective diameter is within the standard.
The outside diameter of a screw is the diameter at the top of the screw thread. Plain ring gauges have a cylindrical inner diameter with no threads and are dimensioned to check the outer diameter of the male thread.
The inside diameter of a female thread is the diameter of the top of the thread. Plain plug gauges have a cylindrical outer diameter without threads and are sized to check the inside diameter of the female thread.
Since limit thread gauges are used by screwing them into the screw to be inspected, they are used in a manner that is prone to wear. Therefore, they are made of hard materials with excellent wear resistance. Gauges are made of bearing steel, alloy tool steel, cemented carbide, etc., depending on the gauge manufacturer. Some gauges are coated with TiN or DLC to improve wear resistance. The appropriate option is selected according to the frequency of inspection and cost.
*Including some distributors, etc.
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Thread Check Inc. is an American manufacturer and supplier based in Ronkonkoma, New York, specializing in precision gage solutions. The company product lineup includes thread gages, digital thread depth gages, feeler gauge sets, as well as power-driven thread gages, and spline gauges. Other offerings include plain cylindrical and thread plugs with ring gages, thread and gear measuring wires, three-wire thread measuring systems, thread inspection equipment, and tri-roll thread comparator systems, alongside corresponding software. The company also offers calibration and hardness testing equipment, measuring instruments, precision hand tools, and surveillance masters, along with services like calibration and computer numerical control (CNC) machining.
LFC PTE. LTD., founded in Singapore in 2010, is a manufacturer of metrology, cutting tools, machinery, and machine tool accessories. The company's product portfolio includes advanced metrology solutions, including coordinate measuring machines (CMMs), optical measurement systems, precision measuring tools, custom tooling solutions, machining equipment, and machine tool accessories. In 2014 the company opened an office in Indonesia and it serves industries cush as industrial manufacturing, aerosapce, automotive, food and beverage and medical.
Chuan Hong Precision Tool Manufacturing Co., Ltd., founded in 1983 with headquarters in India, is a manufacturer of thread plug gauges, ring gauges, and thread cutting tools. The company's product line includes tungsten carbide plug gauges, high-tensile straight fluted taps for cutting materials or high-hardness materials, and planetary roller screws. Chuan Hong Precision Tool Manufacturing Co.'s products are used for manufacturing equipment, water systems and plumbing, automotive components, and fasteners used by various manufacturers in processing equipment and consumer devices.
Yorkshire Precision Gauges was founded in 1951 and is based in Hatfield, England, as a manufacturer and designer of precision gauges. The company's product list comprises reversible tri-lock plug gauges, taper-lock plug gauges, setting rings, barrel depth gauges, and slot gauges, among others. The precision tools are employed across various industries for quality control and precision measurement, ensuring accurate sizing of engine components, verifying critical component dimensions for safety and reliability, and measuring hole depths in construction work to uphold product quality and adherence to specifications. The company caters to various industries, including automotive, manufacturing, construction, aerospace, and machinery.
Ojiya Seiki Co., Ltd. is a manufacturer of gauges since 1966 and is headquartered in Japan. The company deals in Screw Thread Gauges that have applications in checking threaded parts of fluid equipment, plumbing parts, and pipes along with Measuring Instruments such as Digital Thread Depth Gauge, and Inspection JIGs that are used to cope with the measuring items of geometrical tolerance. There are also Air Micrometers and Gauge Heads for Air Micrometer along with Measuring Heads PMK series for various dimension measuring. These products have vast uses in the automotive, plumbing and related industries.
DAI-ICHI Sokuhan Works Co, founded in 1944 is based in Ojiya, Japan, and is a manufacturer and supplier of machinery tool accessories. Their product portfolio includes measuring instruments, air micrometers, electronic micrometers, gauges, precision machine parts, spindle units, and kneading dispersibility measurement. The products are manufactured under superior technology and precision with quality control. The products are used in multiple industries which include aircraft, trains, automobiles, and other modes of transportation.
OSG Corporation., founded in 1938 and headquartered in Toyokawa, Japan, is a manufacturer of various cutting tools, including end mills, drills, taps, rolling dies, and gauges. The cutting tools are engineered for an array of industries, including energy, automotive, aerospace, die/mold, and heavy. The company also has an academy that it uses as an innovation hub for researching, designing, and developing new products. It established its first overseas subsidiary in the U.S. in 1968, and since then, it has continued to build a network of manufacturing, sales, and technical support locations spanning 33 countries.
EISEN Co.Ltd., established in 1972 and based in Higashiōmi, Japan, is a manufacturer and supplier of precision tools and equipment. The company's product portfolio includes pin gauges, screw gauges, precision vises, diamond tools, and jigs and tools. These tools are applied in various industries, including electronics, medical devices, metalworking, woodworking, and tool and die making. The company is ISO 9001 certified for quality control and assurance according to international standards for quality management.
Mercury Tool & Gauge Ltd, founded in the UK in 1991, is a supplier of cutting tools and taps. The company offers a diverse array of cutting tools, including drills, end mills, reamers, inserts, and more, designed for precision cutting, machining, and material removal, and a wide selection of taps, including thread taps, thread mills, and special taps. It serves industries such as Aerospace, Oil, Pharmaceutical, Motor and Aerospace and Defense.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | OJIYA SEIKI Co.,Ltd. |
22.2%
|
| 2 | W&Z-Vertrieb GmbH |
11.1%
|
| 3 | LFC PTE. LTD. |
11.1%
|
| 4 | OSG Corporation |
11.1%
|
| 5 | DAI-ICHI SOKUHAN WORKS CO. |
11.1%
|
| 6 | Size Control Gauges & Tools Pvt. Ltd |
5.6%
|
| 7 | Mercury Tool & Gauge Ltd |
5.6%
|
| 8 | OSG Asia Pte Ltd |
5.6%
|
| 9 | CHUAN HONG PRECISION TOOL MFG.CO, LTD. |
5.6%
|
| 10 | Yorkshire Precision Gauges |
5.6%
|
Derivation Method
The ranking is calculated based on the click share within the limit screw gauge page as of December 2024. 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
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
3 | 23.1% |
|
Singapore
|
2 | 15.4% |
|
United Kingdom
|
2 | 15.4% |
|
United States of America
|
1 | 7.7% |
|
Taiwan
|
1 | 7.7% |
China
|
1 | 7.7% |
Germany
|
1 | 7.7% |
Australia
|
1 | 7.7% |
India
|
1 | 7.7% |
67 products found
67 products
OJIYA SEIKI Co.,Ltd.
60+ people viewing
Last viewed: 13 hours ago
■Limit gauge for parallel threads The limit gauge for threads used for thread inspection is set to the same grade as the thread standard, and a lim...
Watanabe Precision Industry Co., Ltd.
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A plug gauge for measuring holes. Tapered shape is possible.
Sanyu Seiki
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The insertion of the e-sart (old helicato) requires a dedicated tool. Check the type, size, pitch and application (for standard inserts or locks). ...
Yamada Machine Tool Co., Ltd.
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Fast Response
■Daiichi Hoken Seisakusho gauge products Yamada Machine Tool Co., Ltd. boasts the top market share in screw gauges and sells various gauges as an a...
10 models listed
Moriichi Sangyo Co., Ltd.
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Fast Response
50 models listed
Pal Co., Ltd.
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Screw inspection and depth measurement can be performed at the same time with one touch. ■Features ・Low cost ・Streamlining inspections ・Reducti...
EISEN Co.Ltd.
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■ Crampons screw gauge A thread gauge is a tool used to check whether manufactured "male" or "female" threads meet standard dimensions. Pass/fail i...
EISEN Co.Ltd.
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■ Crampons screw gauge A thread gauge is a tool used to check whether manufactured "male" or "female" threads meet standard dimensions. Pass/fail i...
EISEN Co.Ltd.
20+ people viewing
Last viewed: 9 hours ago
■ Crampons screw gauge A thread gauge is a tool used to check whether manufactured "male" or "female" threads meet standard dimensions. Pass/fail i...
