Basics of Screw Manufacturing Technology [Cutting and Welding Processes] Will Be Taught. [Technical Document] First Industrial's Screw Manufacturing Technology [Cutting and Welding Edition] [Currently Available for Free].

[Attention Engineers] Screw manufacturing is not just about forging. There is also cutting and welding. We offer a free [technical document] that provides fundamental knowledge of each technique!

Daiichi Kogyo is a specialized group that develops and manufactures fastening components, including bolts and nuts. 【What a specialized group can do】 While "forging" is the common method for screw manufacturing, "cutting" is also an important processing technique for screw production when complex shapes or additional processes like drilling are required. Daiichi Kogyo possesses the manufacturing know-how necessary for "forging," "cutting," and "welding" in screw production. We can perform "composite processing" that combines these techniques. Forging + Cutting + Welding ⇒ Composite products With the accumulation of each processing technique, we can set up processes that leverage the characteristics of each method. 【Manufacturing Example】Production of parts with strict precision requirements. ● When manufactured using only "forging," the load on the mold increases, raising concerns about mold lifespan and quality deterioration. ↓ ● By switching from "forging" to "cutting" for manufacturing, we can reduce the load on the mold and lower forging costs, achieving quality improvement as well. For more details, please visit the following 【Daiichi Kogyo Co., Ltd. Fastener Division Fastening Components Site】. We are currently offering free technical materials that provide basic knowledge of screw manufacturing techniques, including "cutting and welding." Please download and take a look.

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You will understand the basic knowledge of "welding processing," which is fundamental to screw manufacturing technology. This will explain the characteristics and precautions of welding processing used in screw manufacturing.

"Welding processing" refers to a method of joining two objects together. It involves melting the joint area of two materials to join them, or adding melted material from an external source to the joint area to connect the two objects. We manufacture cap nuts using "projection welding," a type of pressure welding. We also produce parts by welding stainless steel plates using "TIG welding," a type of fusion welding. We provide clear explanations of the advantages and disadvantages of each welding process, along with examples of manufacturing accompanied by photographs. We would like to introduce our company's screw manufacturing technology, "welding processing." We explain the welding methods and characteristics we employ, complete with photographs. You can gain a basic understanding of "welding processing." Please take a look. We also have materials that showcase examples of improvements in our welding processing operations. You can view the example materials here. URL:

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Screw making is not just about forging. I will clearly explain the basics of screw manufacturing technology, "cutting processing," including the processing steps and important points to consider.

"Cutting processing" is a method of machining that shapes materials by cutting them with cutting tools to achieve the desired form. While "forging processing" is commonly used for screw manufacturing, "cutting processing" is also an important machining technique in screw production, especially when complex shapes or additional operations like drilling are required. At Daiichi Kogyo, we manufacture a variety of products, including aluminum nuts, stainless steel nuts, front bosses, and bushes, through "cutting processing." We also possess technical know-how for "forging processing" and "welding processing," allowing us to produce composite machined products that combine these techniques. This document clearly explains the advantages and disadvantages of cutting processing, examples of screw manufacturing processes using cutting processing, and points of caution and countermeasures in cutting processing, all accompanied by photographs. You will gain a fundamental understanding of the screw manufacturing technique "cutting processing." Please download the PDF to view it. Additionally, we also introduce examples of cost reduction in our cutting processing. Please check it out through the related links. [Technical Document] Basics of Screw Manufacturing Technology [Cutting Edition] Daiichi Kogyo's Screw Manufacturing Technology URL: https://screw.daiichikogyo.co.jp/product/machining

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This document clearly explains the forging process of bolts, nuts, and collars. It provides information on the basics of screw manufacturing technology, specifically "forging."

"Forging processing" refers to a type of plastic processing that shapes metal materials using molds. Unlike cutting processes, it minimizes material waste and is suitable for mass production. At Daiichi Industry, we manufacture both "bolts" and "nuts" through "cold forging processing." This document includes the advantages and disadvantages of forging processing, as well as examples of the forming processes for bolts and nuts/colors. It also illustrates the differences in manufacturing methods for bolts and nuts with accompanying photos. Additionally, we present examples of improvements in mold design using FEM analysis. <Note> We have added "Types of Cold Forging Processing" to the document. It explains how screws are formed using dies and punches, accompanied by illustrations. For more details, please refer to the download. Feel free to contact us with any inquiries.

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Combination of "plastic processing" and "cutting processing"!

There are various processing methods in metalworking, including casting (foundry), plastic processing (forging, pressing, rolling), sheet metal processing (pressing, drawing), cutting processing (lathe, milling, drilling), grinding processing (polishing, grinding), and joining processing (welding, brazing). This time, we will introduce the combination of "plastic processing" and "cutting processing," which our company specializes in. In our fastener division, we combine "cold heading" from plastic processing with "dual-end machining" from cutting processing to produce vibration-damping components for four-wheel vehicles (automobiles), providing high-precision and complex products at low prices that are difficult to achieve with cold heading alone. Additionally, through combinations such as "cold heading" + "NC lathe," we also produce torque converter components for four-wheel vehicles (automobiles), which have received positive feedback from our customers.

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The textbook on screws created by a group of screw specialists, 'Learning About Screws from the Basics.' You can understand fundamental knowledge from types of screws to fastening design. Available for free!

Daiichi Kogyo is a specialized group that develops and manufactures both bolts and nuts. Although they are both "fasteners," bolts and nuts differ in materials, processing methods, manufacturing equipment, and required performance. 【What a specialized group can do】 ● Consideration of optimal materials and shapes: The "development/design capability" of a specialized group 　→ Utilization of FEM analysis and knowledge of materials ● Evaluation and analysis of fasteners with data backup: The "evaluation capability" of a specialized group 　→ Performance evaluation from individual parts to actual machines ● Reduction of prototype lead time and mass production: The "production technology/manufacturing technology capability" of a specialized group 　→ In-house mold production and utilization of FEM analysis For more details, please visit the 【Daiichi Kogyo Co., Ltd. Fastener Division Fastening Parts Site】 below. "Useful information about fasteners" is also available. Please take a look. There is a "Textbook on Fasteners: Learning from the Basics" created by a specialized group in fasteners. - What are fasteners - The mechanism of how fasteners tighten - Fastener loosening - Fastener design You can understand the basic knowledge of fasteners. It is available for free. Please download and take a look.

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I will teach you how to make screws. We will provide free technical materials that cover everything about screw making, including materials, processing methods, inspection, and evaluation tests.

Screws are used in various machines such as transportation equipment and structures, but do you know how screws are made? Even seemingly simple screw components have various characteristics depending on their applications and purposes, including materials, processing methods, and inspection methods. To choose the right screw for a specific use, it is important to understand the characteristics of each manufacturing process, as well as inspection and evaluation tests. The textbook series on screw-related technologies explains the techniques involved in screw manufacturing in an easy-to-understand manner. If you are struggling with screw selection or want to learn about the technologies related to screw manufacturing, please refer to the PDF materials. Feel free to contact us with any inquiries.

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We are evaluating the performance of screws and fasteners. We will introduce the testing equipment and test examples to ensure the performance of the "screw"!

Screws are the fundamental mechanical elements that "connect things." Despite being small parts, the role of screws in "fastening" is significant. To fulfill this important role, various functions and performances are required of screws. Evaluations are diverse to confirm whether the "required performance is met." At Daiichi Industry, we assess the performance of screws and fastening bodies using various testing equipment. Due to the wide range of required functions and performances, many testing facilities are necessary, including those uniquely developed in collaboration with academia. What kind of equipment is used, and what items are evaluated? What evaluation results can be obtained from actual test examples? We introduce the test contents and inspection items with accompanying photos. Please check it out through the PDF download. Feel free to contact us as well.

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We have achieved complex shape forging processing with a reheader machine!

Metal processing includes a method called cold heading, which uses molds to achieve plastic deformation. Cold heading has the advantage of significantly less material waste compared to cutting processes, as well as stable precision and production speed, making it suitable for mass production of items such as bolts and nuts. However, for complex shapes like concave forms, cutting processes were necessary. Our company has introduced a re-header machine (split mold forming machine) that allows us to perform cold heading on semi-finished products after the initial heading process, enabling the formation of complex shapes and eliminating the need for cutting processes through net shape processing. By combining header and re-header machines, we have improved processing efficiency for complex shapes, allowing us to propose solutions for mass production. Additionally, the reduction of waste material from cutting processes helps lower costs.

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Kort Valuta Inc. (Head Office: Shibuya, Tokyo; CEO: Hideki Shibata) is pleased to announce that we will hold our next recruitment event, “Kort Valuta Night,” on November 26, 2025. This recurring event offers an opportunity for potential candidates to casually learn about our company culture and team atmosphere before applying. By lowering the barrier to entry and providing authentic insights from current employees, the event helps participants gain a more concrete sense of what it’s like to work at Kort Valuta. Since the event’s launch, approximately ten attendees have gone on to join the company in a range of roles — including marketing, customer support, and backend engineering.

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; President & CEO: Hideki Shibata; hereinafter “the Company”) announces that it has renewed the user interface (UI) of TwooCa, the Company’s digital employee ID with Visa payment functionality.

Kort Valuta Inc. (Headquarters: Shibuya-ku, Tokyo; CEO: Hideki Shibata) is pleased to announcethat NBS Logisol Co., Ltd. (Headquarters: Hita City, Oita Prefecture; CEO: Itsuro Kono) has introduced “TwooCa,”a Visa-enabled digital employee ID card, for approximately 1,100 employees.

An article about the resin-based lightweight formwork system "PERI DUO" has been published in the "Construction News" (November 7, 2025)! "PERI DUO" is a new system formwork made of resin that can be used for walls. It is made from a newly developed material called "Politec," which is high-strength and lightweight. With fewer components, it is easy to handle. It allows for increased reuse and is an environmentally friendly lightweight formwork that is flexible on the construction site! 【DUO Product Features】 ■ New system formwork made of resin ■ High strength and lightweight ■ Fewer components and easy to handle ■ 100% recyclable *For more details about this product, please feel free to contact us. PERI Japan Co., Ltd.

We are pleased to announce that the "Kuji Regional Renewable Energy Circulation Project" in Kuji City, Iwate Prefecture, has received an Excellence Award at the 2025 Solar Week Awards organized by the Japan Photovoltaic Energy Association. The "Solar Week Awards" recognize initiatives and projects that contribute to the community, are desired by the community, and serve as models for the expansion of solar power generation. On July 24, 2025, NGK Insulators, Ltd. issued a press release titled "Start of Operation of Solar Power Generation Equipment at Hybrid Storage Facility with Sharing Function - Ceremony Held at Solar Power Plant Operated by Iwate Bank Group Company." This demonstration of the hybrid storage facility with sharing function (StorageHub) is being conducted by manorda Iwate, a regional trading company fully funded by Iwate Bank, with development led by NR-Power Lab Co., Ltd. NR-Power Lab Co., Ltd. is leading the design, development, and system operation of the StorageHub in this project. We will continue to collaborate with our partner companies to engage in technological development and the creation of advanced services aimed at realizing a sustainable local community.