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bolt×池田金属工業 - List of Manufacturers, Suppliers, Companies and Products

bolt Product List

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Super Bolt

Super Bolt

With just a torque wrench, anyone can accurately tighten large diameter bolts!

The "Super Bolt" is a product that allows you to tighten bolts with a diameter of over 1 meter using only hand tools. Even large-diameter bolts can be securely tightened with a torque wrench. You are freed from cumbersome tools and dangerous, inefficient work, and the working time can be significantly reduced with fewer people. 【Features】 ■ Anyone can accurately tighten large-diameter bolts using only a torque wrench. ■ Eliminates dangerous work often associated with large-diameter bolts. ■ No worries about seizing or galling during tightening, and no need for reaction force supports. *For more details, please refer to the related links or feel free to contact us.

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YFS(R) Hex Socket Bolt

YFS(R) Hex Socket Bolt

Guaranteeing high strength of 12.9 even for large diameters of M22 and above! A lineup of over 1200 sizes from M3 to M36.

The "YFS(R) Hexagon Socket Bolt" is a product from one of the largest Taiwanese brands specializing in the manufacturing of high-strength bolts. Thanks to advanced quality control, it is possible to guarantee a strength classification of 12.9 even for large diameter sizes of M22 and above. The stock sizes range widely from a minimum of M3 to a maximum of M36, allowing for a single company to fulfill the procurement of main sizes. 【Features】 ■ Price competitiveness due to one-stop production with one of the largest production volumes in the world ■ Guarantees high strength of 12.9 even for diameters of M22 and above ■ A lineup of over 1200 sizes from M3 to M36 *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Reduction of Maintenance Frequency and Improvement of Quality through Anti-Loosening Measures

[Case Study] Reduction of Maintenance Frequency and Improvement of Quality through Anti-Loosening Measures

Case studies contributing to a reduction in maintenance frequency with Nord-Lock washers.

Here is a case where we proposed "Nord-Lock washers" to an industrial machinery manufacturer. They were using hex socket bolts (CAP) in their binding equipment, but there was an issue with loosening occurring after delivery. After our proposal, the reports of loosening troubles, which had been occurring almost every month, dropped to zero. [Overview of the Issue] - Hex socket bolts (CAP) are used in the binding equipment, but loosening occurs after delivery. - There were 2 to 3 reports each month, and we had to visit the client for maintenance each time. *For more details, please refer to the related links or feel free to contact us.

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Strengthening Book of Screws (Vol. 9) Differentiation of Hex Socket Bolts

Strengthening Book of Screws (Vol. 9) Differentiation of Hex Socket Bolts

Introducing the different uses of hexagon socket bolts in a blog format!

For bolts with hexagonal holes, we will consider the so-called standard hexagon socket bolts as the reference. Although it is slight, using hexagon socket button bolts with a larger head diameter can stabilize the seating surface, which is the contact area between the screw and the counterpart material, and alleviate the sinking (dimpling) into the counterpart material. However, it seems that button bolts are often used to create a neat appearance in the visible parts of the fastening section. *For more details, you can view the related links on the blog. Please feel free to contact us for more information.*

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Strengthening Manual for Screws (Vol. 14) Standard Products and Supplementary Products

Strengthening Manual for Screws (Vol. 14) Standard Products and Supplementary Products

Introducing the differences between standard products and supplementary products in a blog format!

What is the difference between standard products and supplementary products? In the case of hex bolts, the dimensions differ in some sizes. For M10, the width of the hex head (also known as the distance across flats or the width across two sides) is 16 millimeters for standard products and 17 millimeters for supplementary products, which is a difference of just 1 millimeter. Just 1 millimeter. Of course, those who use hex bolts may not think much of it. A difference of 1 millimeter means you need to change the tool for tightening and loosening. *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

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Warning of bolt loosening with color! Axial force management "DTI System"

Warning of bolt loosening with color! Axial force management "DTI System"

Visual axis force management! Completion with pinpoint work only at the fastening points indicated in red for loosening occurrence!

The "DTI system" is a bolt tension management system that embeds a mechanism within the bolt to detect slight elongation caused by axial force, displaying the degree of elongation (i.e., axial force) through a color change from red to black. Insufficient axial force due to improper tightening during bolt fastening poses a high risk of breakage and other issues. By using this system, it is possible to confirm that the planned initial axial force has been achieved at all fastening points. Since the appropriate axial force varies depending on the application, it will be determined in consultation and produced to order according to the intended use. 【Features】 ■ Improved safety of bolt connections by accurately grasping axial force (i.e., tightening force) ■ Constant display of axial force allows for early problem detection and trouble avoidance ■ Point-specific maintenance enhances equipment operational efficiency *For more details, please download the PDF or feel free to contact us.

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Hex Socket Bolt "Ultra Low Head CAP"

Hex Socket Bolt "Ultra Low Head CAP"

No need for counterbore processing! Ideal for areas where you want to minimize the protrusion of the screw head or reduce weight.

The "Ultra Low Head CAP" is a hex socket bolt with an even lower head than a low head bolt. It is suitable for areas where you want to minimize the protrusion of the screw head or reduce weight. Since countersinking is not required, it allows for a reduction in work processes and time. We can also accommodate various additional processing requests as needed. 【Features】 ■ Head height is even lower compared to low head CAP ■ No countersinking required, minimizing head protrusion ■ Additional processing such as various surface treatments and anti-loosening treatments is also available *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Cost Reduction through Changes in the Manufacturing Method of Mass-Produced Screws

[Case Study] Cost Reduction through Changes in the Manufacturing Method of Mass-Produced Screws

A case where the manufacturing method was changed from cutting processing to forging processing, resulting in a 70% cost reduction in the customer's purchase price.

We would like to introduce a case where we proposed "reducing the manufacturing process and increasing production lots" to an industrial machinery manufacturer. The customer was purchasing low-head type special-shaped hexagon socket bolts M2 from an e-commerce site, but due to high unit prices and an increasing quantity needed, they expressed a desire to reduce costs. We proposed a change in the manufacturing method, which was adopted without any issues and was equivalent to or better than the conventional products, resulting in significant cost reductions. [Case Overview] ■ Issues - Costs had become excessively high - The shape was not particularly difficult to manufacture, despite being outside JIS standards ■ Requirements for Solving the Issues - Reduction of costly machining processes - Establishing a production lot that ensures stable lead times *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Coating the Head of a Left-Hand Thread Hex Socket Bolt

[Case Study] Coating the Head of a Left-Hand Thread Hex Socket Bolt

Production completed in time for the desired delivery date! A case of proposing alternatives for discontinued products from the manufacturer.

We would like to introduce a case where we proposed an alternative for a left-handed hex socket bolt that has been discontinued by the manufacturer and is no longer available in the market for a textile machinery manufacturer. The M3×7 uncoated hex socket bolt (left-handed) used in textile machinery was discontinued, and without finding an alternative product, the production line would come to a halt, impacting sales. We proposed machining the dimensions of the left-handed hex socket bolt and painting the head, allowing for the selection of right-handed and left-handed screws without changing the screw size, and we were able to deliver the product by the desired deadline. [Overview of the Issue] - The M3×7 uncoated hex socket bolt (left-handed) was used in textile machinery, but production by the manufacturer has ended, and it has been discontinued. - If an alternative product cannot be found, the production line will stop, affecting sales. *For more details, please refer to the related links or feel free to contact us.

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[Case Study] Investigation and Measures for Causes of Loosening

[Case Study] Investigation and Measures for Causes of Loosening

A case study proposing investigation and countermeasures for the loosening of embedded bolts used to secure tire wheels.

We would like to introduce a case where we proposed the identification of the cause of loosening and permanent countermeasures through hypothesis establishment and dimensional inspection using an image measurement device for an industrial vehicle manufacturer. There was an issue where the embedded bolts used to secure the tire wheels of forklifts were falling off after being delivered to the customer. We shared knowledge regarding the threaded parts' dimensional measurement using the image measurement device and proposed clearly stating tolerances on the drawings to ensure accurate communication of information among design, quality control, procurement, and suppliers. [Overview of the Issue] ■ The embedded bolts used to secure the tire wheels of forklifts were falling off after being delivered to the customer. ■ If they fall off while in operation, it could lead to a serious accident, so it must be resolved urgently. *For more details, please refer to the related links or feel free to contact us.

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Why do we perform tempering?

Why do we perform tempering?

Enhance durability against stretching and twisting! Introducing five key points of tempering.

Generally, bolts with a medium strength or higher, specifically those classified as 8.8 or above, are hardened to make the steel harder. However, if left hardened, they become hard but brittle and prone to breaking, meaning they lack toughness. Therefore, it is necessary to reheat the steel immediately after hardening to enhance its toughness. This toughness is referred to as "toughness," and by increasing toughness, the durability against stretching and twisting is improved. This process is called "tempering." *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

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The strength classification of stainless steel bolts also uses letters!

The strength classification of stainless steel bolts also uses letters!

Strengthening Manual of Screws (Vol. 47)! Introducing what each one means in a blog format.

The strength classifications of stainless steel bolts and screws are represented by a combination of alphanumeric characters separated by a hyphen, such as "A2-50" or "A4-70". Let's take "A2-50" as an example to explain what each part means. First, the initial "A2" indicates the type of steel, where "A" represents austenitic stainless steel, and "2" refers to steel types such as SUS304 or SUSXM7. In the classification of steel types, besides the letter "A" for austenitic stainless steel, there are also "F" for ferritic stainless steel and "C" for martensitic stainless steel. *For more details, please refer to the related links on the blog. Feel free to contact us for further inquiries.*

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[Technical Column] Do you know the difference between implant bolts and double-ended bolts?

[Technical Column] Do you know the difference between implant bolts and double-ended bolts?

Actually different! I summarized the specific differences between "insert bolts" and "double-threaded bolts."

The embedded bolt and the double-ended bolt both lack heads and have threads cut on both ends, and they are sometimes thought to be the same product, but in fact, they are different items. Recently, I received a consultation stating, "There was a loosening in the double-ended bolt that is securing the machine." It seems that the person was not aware that the effective diameter of the threaded part on the embedded side of the embedded bolt is slightly thicker, which caused the loosening. If such an issue is discovered after mass production, it can lead to serious problems. To prevent this, let's recognize the differences between the "embedded bolt" and the "double-ended bolt." *For more details on the column, you can view it through the related link. Please feel free to contact us for more information.*

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[Technical Column] Causes of Failure in Large Diameter Bolts Over M30

[Technical Column] Causes of Failure in Large Diameter Bolts Over M30

Causes of thick diameter bolts breaking! Explanation of countermeasures using a product called Super Bolt.

I believe that large-diameter bolts are often used for securing components such as tie rods and cover bolts for pressure vessels. Have you ever experienced a large-diameter bolt breaking? When a bolt breaks, it requires a lot of effort to address the issue, and in some cases, it can halt the machinery, resulting in loss costs. In this column, we will explain the causes of large-diameter bolt breakage and the countermeasures using a product called Superbolt. *You can view the detailed content of the column through the related links. For more information, please feel free to contact us.*

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Provision of technical materials useful for the structure and selection of screws, as well as for component selection during product manufacturing.

Provision of technical materials useful for the structure and selection of screws, as well as for component selection during product manufacturing.

Packed with information on the basic structure of screws and helpful tips for product selection! Technical materials are available to assist with component selection during product manufacturing!

Understand in 3 minutes! Technical materials on screws are available for download! Please feel free to download and take a look. ■ Screw Encyclopedia We have compiled products that are relatively commonly used in the market. ■ Overview of Resins Used for Plastic Screws - Overview of resin materials - Characteristics of each type - Mechanical properties by type of resin - List of physical properties of resin materials - List of chemical resistance of resins ■ Differences Between Embedded Bolts and Double-Ended Bolts We have summarized the tolerances for "length" and "thread length," which are particularly prone to causing trouble when using embedded bolts and double-ended bolts, according to the standards for embedded bolts (JIS B 1173) and the tolerances for fastening components (JIS B 1021). - Comparison table of differences between embedded bolts and double-ended bolts - Standards for embedded bolts (JIS B 1173) - Tolerances for fastening components (JIS B 1021) - How much difference is there between JIS B 1173 and JIS B 1021? *For more details, please refer to the PDF materials or feel free to contact us.

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