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

Screw Product List

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When the digits increase, the numbers become hard to understand!

When the digits increase, the numbers become hard to understand!

Strengthening Book of Screws (Vol. 46)! Introducing the meaning of each number in the strength classification using "10.9" as an example in a blog format.

The strength classification of steel external threads is based on the combination of two elements represented by numbers. Let's take "10.9" as an example to examine the meaning of each number. The first "10" indicates the tensile strength, which in this case is 1,000 MPa (megapascals) or 1,000 N/mm² (newtons per square millimeter) of tensile strength. Tensile strength, as discussed in the screw reinforcement document Vol. 44, refers to the maximum stress that a bolt or screw can withstand when a tensile load is applied along its axis until it fractures. This value is expressed by dividing the load at fracture by the cross-sectional area of the bolt. So, what does a stress of 1,000 MPa or 1,000 N/mm² mean? It means that a stress of 1,000 MPa (since 1M is one million, 1,000 MPa is one billion pascals) can be applied to an area of 1 m² without causing fracture, or that a stress of 1,000 N can be applied to an area of 1 mm² without causing fracture. *For more detailed content, please refer to the related links. Feel free to contact us for more information.*

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[Technical Column] The Risks of Foreign Matter Contamination in Food Manufacturing Lines and Their Countermeasures

[Technical Column] The Risks of Foreign Matter Contamination in Food Manufacturing Lines and Their Countermeasures

Screws falling off the manufacturing line! Unnecessary costs incurred due to measures against loosening.

One of the problems troubling the manufacturing site is the falling off of screws used on the production line. Measures taken on-site to prevent loosening can lead to unnecessary costs, which is a significant burden. In other words, the required measures should not only prevent screws from falling off but also ensure that subsequent maintenance is easy, which is also an important factor. *For more details on the column, you can view it through the related link. Please feel free to contact us for more information.*

  • Interior parts

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[Technical Column] The Strengths and Weaknesses of "Plastic Screws" as the Key to Weight Reduction

[Technical Column] The Strengths and Weaknesses of "Plastic Screws" as the Key to Weight Reduction

There are many types of resins, each with its own strengths and characteristics! Here are four perspectives to share.

Recently, the issue of "lightweighting products" has become important across various industries. Screws are relatively small components in each product, but by adopting "plastic screws," also known as resin screws, further weight reduction can be achieved. However, there are many types of resins, each with different strengths and characteristics. In this column, we will introduce recommended types of resins used for plastic screws from four perspectives: strength, heat resistance, chemical resistance, and cost. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

  • nut

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[Technical Column] Unable to Distinguish the Pitch of Stainless Steel Screws

[Technical Column] Unable to Distinguish the Pitch of Stainless Steel Screws

The coloring technology of stainless steel called "oxidation coloring"! Explanation of its mechanism, features, and applications.

Distinguishing between the pitch of screws (coarse and fine) can sometimes go unnoticed when there is little time to pay attention during on-site work, even if they are mixed together. As a countermeasure in such cases, many people take steps to make them easier to distinguish by using head coatings or plating, but the available surface treatments are limited. Therefore, our company has focused on a technology called "oxidation coloring," which is a coloring technique for stainless steel materials. In this column, we will explain the mechanism, features, and applications of oxidation coloring. *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.*

  • bolt

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Technical Data: Screw Encyclopedia (External Thread Edition)

Technical Data: Screw Encyclopedia (External Thread Edition)

Explanation of types of screws

In this document, we introduce some of the relatively commonly used male-threaded products available in the market. We hope you find this helpful when selecting male threads. *For more details, please refer to the PDF document or feel free to contact us.

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Super ultra-thin head screw "310 Slim"

Super ultra-thin head screw "310 Slim"

Space-saving and perfect for enhancing design! Ultra low-profile type.

The 310 Slim is an ultra-low head type screw that is ideal for space-saving measures and enhancing design aesthetics. Its thickness is only 0.5mm for M2 and just 0.9mm for M4, making it perfect as a cover screw. 【Features】 - Ultra-thin head height - Ideal for areas without clearance in machinery and equipment - No protrusion of the head after installation on the product For more details, please contact us or download the catalog.

  • bolt

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Anti-tamper screw "TRF"

Anti-tamper screw "TRF"

Just replace the existing screws! A product with high design and security features.

"TRF" is a tamper-proof screw used in terminal products that require safety measures such as the disassembly of public facilities and toys, accident prevention, theft prevention for equipment, and compliance with the Radio Law. By replacing existing screws, security is enhanced. Additionally, due to its aesthetic appeal, it is also appreciated for its design, and there are many situations where it is used as an accent for products. [Features] - Security is increased simply by replacing existing screws - Cannot be disassembled without a special tool - A variety of tamper-proof screws are in stock *For more details, please refer to the related links or feel free to contact us.

  • nut

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

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

Proposal for product manufacturing with the desired delivery time, precision, and unit price based on extensive knowledge of the products.

We would like to introduce a case where we proposed to a manufacturer of machine tools and industrial machinery to produce adjustment screws from scratch as per their request. During mass production, a request for the arrangement of adjustment screws was made to the purchasing department, and upon checking on an e-commerce site, it was found that the costs were high and did not fit the budget for purchasing the mass production lot (700 pieces). After our proposal, we were able to provide the screws at approximately 45% lower cost than the e-commerce site, taking into account the lead time (actual working days: 30). [Overview of the Issue] - During the prototype phase of a new machine tool, the design department intended to use "adjustment screws" available on the e-commerce site for the legs of the machine. - When a request for the arrangement of adjustment screws was made to the purchasing department during mass production, it was discovered that the unit price was high and did not fit the budget for purchasing the mass production lot. - Since they did not want to make significant changes to the specifications, they were considering how to obtain the screws at a lower cost. *For more details, please refer to the related links or feel free to contact us.*

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Strengthening Manual for Screws (Vol. 11) Differentiating Between Hexagonal Viewers and Hexagonal Holes

Strengthening Manual for Screws (Vol. 11) Differentiating Between Hexagonal Viewers and Hexagonal Holes

Introducing the advantages of hexagonal holes in a blog format!

Compared to a cross-shaped socket, a hexagonal socket has the advantage of being able to "tighten screws with strong force more easily than with a cross-shaped socket." In addition to the force needed to turn the screw, the cross-shaped socket has a shape like a mortar, which requires downward pressure on the tool from above. If the upward force is even slightly weak, the tool will lift upwards, making it impossible to tighten the screw. *For more detailed information, you can view it through the related links. Please feel free to contact us for more details.

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What distinguishes the specifications of the Screw Strengthening Manual (Vol. 15)?

What distinguishes the specifications of the Screw Strengthening Manual (Vol. 15)?

Introducing specifications in blog format!

In terms of specifications, there are other items besides hex bolts and hex nuts that require attention. For example, there are small screws and tapping screws, which also have counterparts that correspond to the main specification items and those that correspond to supplementary items. Like hex bolts and hex nuts, many of the small screws and tapping screws distributed in Japan are supplementary items. *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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Screw Reinforcement Manual (Vol. 35) What is hardening?

Screw Reinforcement Manual (Vol. 35) What is hardening?

The main purpose is to harden steel! An explanation of a type of overall heat treatment called quenching.

It is a type of overall heat treatment applied to medium to high strength classifications that are generally distributed. The strength classification refers to the numerical representation of the strength of screws, and the medium strength classification generally distributed here mainly refers to 8.8 in the case of threaded components like bolts. Now, quenching is primarily aimed at hardening steel, and it is mostly performed in conjunction with tempering, which will be discussed next time. The hardening of steel means it becomes more resistant to impacts and also more resistant to wear caused by friction. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.

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Strengthening Manual for Screws (Vol. 33) Why do we perform heat treatment on screws?

Strengthening Manual for Screws (Vol. 33) Why do we perform heat treatment on screws?

An explanation of heat treatment and an introduction to the true purpose of heat treatment in blog format!

Metals can change their properties, such as hardness and strength, through heating and cooling. This process is called heat treatment. When we think of items around us that have undergone heat treatment, scissors and knives come to mind first. The reason for heat treating cutting tools is, of course, to ensure they do not chip and can cut well. Additionally, heat treatment is often applied to screws as well. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

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Isn't it the same as that? Strength classification of steel male threads.

Isn't it the same as that? Strength classification of steel male threads.

Strengthening Guide for Screws (Vol. 45)! Introducing the strength classifications of steel external threads such as bolts and small screws.

Strength classifications can be represented by combinations of numbers or solely by numbers, as well as by combinations of alphanumeric characters. The most commonly encountered in fastening with screws are the strength classifications of steel bolts and screws. At first glance, the strength classification of steel screws appears to be a single number expressed up to one decimal place, but in reality, it is composed of two elements. In other words, "10.9" consists of the two elements "10" and "9." *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

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[Technical Column] Three Elements to Avoid Failure with Tapping Screws

[Technical Column] Three Elements to Avoid Failure with Tapping Screws

The balance of the three elements "type," "tightening torque," and "pilot hole diameter" is important for tapping screws!

Tapping screws can be fastened by screwing directly into a pilot hole, making them used in industries such as automotive and home appliances to reduce labor costs. They are convenient screws, but they are also very difficult to select. If tapping screws are not chosen with the correct steps, issues such as screw stripping, boss breakage, screw lifting, and loosening may occur. This column will focus on the types of tapping screws, tightening torque, and the selection method for pilot hole diameter. *For detailed content of the column, you can view it through the related links. Please feel free to contact us for more information.*

  • nut

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Screws with a locking treatment *Eliminates the hassle, unevenness, and forgetfulness of adhesive application work.

Screws with a locking treatment *Eliminates the hassle, unevenness, and forgetfulness of adhesive application work.

It is possible to specify the application range, color, and viscosity of the locking agent! Since the locking agent is already applied to the threaded part, tightening can be done directly.

The screw with anti-loosening processing, "Seahorse Lock(R)," is a pre-coated type with an anti-loosening agent applied to the screw part, allowing for tightening work to be done immediately as an adhesive-based anti-loosening product. It eliminates the hassle, inconsistency, and forgetfulness of the application process, and strongly prevents loosening due to impact and vibration. The anti-loosening agents can be broadly categorized into two types: "resistance" and "adhesion," with multiple varieties available for each type, allowing for differentiation based on application needs. This product contributes to reducing the labor involved in the application process and streamlining operations. 【Features】 ■ Eliminates the hassle, inconsistency, and forgetfulness of adhesive application work ■ Customizable types, application ranges, viscosities, and colors of anti-loosening agents ■ Supports prototyping, small lots, and short delivery times ■ Specialized engineers are available to assist with specification selection and setting various torque values using testing equipment *For more details, please download the PDF or contact us directly.

  • bolt

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