nut×第一工業 - List of Manufacturers, Suppliers, Companies and Products

nut Product List

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SSOI Nut "High Torque Insert Nut"

SSOI Nut "High Torque Insert Nut"

This is a strong insert nut that prevents slippage (co-rotation and idling) caused by bolt tightening and protects resin products from damage.

Insert nuts for resin (plastic) have traditionally utilized knurled, square, and hexagonal shapes, which have raised concerns about the nuts deforming the resin and spinning freely (slipping or idling) when bolts are tightened with high torque. As a result, we received strong requests from customers to develop insert nuts with shapes that can withstand high torque (high torque strength). We conducted research, development, and prototyping in-house and devised an original shape of insert nut that can handle high torque. It is designed for use during resin molding and also boasts excellent tensile strength (pull-out strength). 【Features】 - Strong nuts that prevent spinning (slipping or idling) and protect resin products from damage. - A unique octagonal shape that enables "high torque tightening," which has not been available before. - We have realized a shape that is difficult to spin, as requested by many customers. For more details, please contact us or download the catalog.

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Nuts / Daiichi Kogyo Co., Ltd.

Nuts / Daiichi Kogyo Co., Ltd.

Nut. It is mainly used in transportation equipment parts and is also engaged in research and development.

Nuts are one of the essential mechanical components for fastening products and are used in various machinery structures. Our company, as a total fastener manufacturer supporting Japanese industry, produces and sells a wide variety of bolt products, including hex nuts, hex flange nuts, weld nuts, wheel nuts, cap nuts, insert nuts, and outsert nuts. We also have manufacturing and sales bases overseas, including in China and India, to meet our customers' needs. We have developed original products such as the "hard-to-turn" insert nut "SSOI nut" for high torque applications and the "hard-to-turn and hard-to-remove" outsert nut "SSOO nut," which are now in mass production. If you are interested, please feel free to contact us.

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SSO Nut (High Torque Compatible Outsert Nut) <Sample Available>

SSO Nut (High Torque Compatible Outsert Nut) <Sample Available>

Cost of bolts and nuts reduced by 2/3, and a 17% reduction in screw parts! A strong insert nut that prevents slipping during bolt tightening and protects plastic products from damage.

The "SSOO Nut" is a strong insert nut that prevents slippage (rotation and free spin) caused by bolt tightening, protecting plastic products from damage. It has achieved a reduction in bolt and nut costs by two-thirds and a 17% reduction in threaded parts. *Samples available in 4mm, 5mm, 6mm, and 8mm. 【Features】 ■ Prevents nut slippage (rotation and free spin) when tightened with high torque, protecting plastic products. ■ Potential for reducing the number of parts and downsizing threaded components. ■ If downsizing is possible, weight reduction is also achievable. *Samples are available. Please contact us for more details. *Product catalog and case studies on cost reduction can be viewed via PDF download.

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We can assist you in a wide range from automobiles to buildings! [Featured Nuts with Proven Results]

We can assist you in a wide range from automobiles to buildings! [Featured Nuts with Proven Results]

We have a proven track record. Nuts that run around the world. Insert nuts that help reduce costs and weight. Non-loosening three-blade nuts that can be used for disaster prevention supplies.

We are widely contributing from automobiles to buildings! [Featured High-Performance Nuts with Proven Results] ■ Bag Nuts (Cap Nuts): Running all over the world! - A wide range of sizes from automobiles to buildings (M3~M36). - The cap at the tip ensures safety and enhances appearance. - The first JIS 3 type cap nut manufactured and sold in Japan. Available in cutting-edge titanium material. ■ High Torque Compatible Insert Nuts (Outsert Nuts): Achieved cost reduction and weight reduction! - Adopted for resin parts in next-generation vehicles (electric vehicles and hydrogen vehicles). - High torque resistance allows for a reduction in the number of fasteners, achieving cost savings. - Contributes to the lightweight of components. ■ Lock Nuts (3-Blade Type): Used for disaster prevention supplies because they do not loosen! - Meets safety requirements for vibration dampers and highway sound barriers. - Protects people with nursing beds. - Widely applicable to transportation equipment such as automobiles and motorcycles, as well as buildings. Technical documents and detailed information for each nut can be viewed from downloads. Please feel free to contact us for case studies and proven results.

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Understanding Delayed Fracture of Screws: Basics of Delayed Fracture Due to Hydrogen Embrittlement

Understanding Delayed Fracture of Screws: Basics of Delayed Fracture Due to Hydrogen Embrittlement

What is delayed fracture? Why does hydrogen embrittlement occur? What are the prevention measures? I will explain the basics of delayed fracture and hydrogen embrittlement in an easy-to-understand manner.

Are you familiar with "delayed fracture of screws"? "Delayed fracture" refers to the phenomenon where a static stress (tensile or bending load) is applied at room temperature for a certain period of time, and then it suddenly fractures without any apparent plastic deformation. Despite the absence of large or repeated loads, the bolt suddenly fails... It might be due to delayed fracture. In fact, the mechanism behind "delayed fracture" has not been fully elucidated. The phenomenon of hydrogen embrittlement is considered to be an important factor. - What is delayed fracture? What are its testing methods? - What is hydrogen embrittlement? What are the countermeasures? This is a technical document that provides a basic understanding of these topics. Please refer to the PDF for more details. As a specialist in manufacturing both bolts and nuts, our company conducts performance testing and evaluation from the development stage at our R&D center to ensure that we meet our customers' performance requirements. We are also available for technical consultations. Please feel free to reach out to us.

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Reheader (Die Forming) Processing [Cost Reduction through Process Conversion!]

Reheader (Die Forming) Processing [Cost Reduction through Process Conversion!]

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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Basics of Screw Manufacturing Technology [Forging Edition] First Industrial's Screw Manufacturing Technology (Complete Edition)

Basics of Screw Manufacturing Technology [Forging Edition] First Industrial's Screw Manufacturing Technology (Complete Edition)

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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[Technical Information] Basics of Screw Manufacturing Technology [Cutting and Welding] Will Be Taught

[Technical Information] Basics of Screw Manufacturing Technology [Cutting and Welding] Will Be Taught

[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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[Technical Information] Understand the Basics of Screw Manufacturing Technology [Forging Process]

[Technical Information] Understand the Basics of Screw Manufacturing Technology [Forging Process]

[Attention Engineers] The Basics of Screw Manufacturing Technology: "Forging Process." We are currently offering free technical materials on "Basic Knowledge of Forging Process," which explains the differences in the manufacturing of bolts and nuts.

Many "screw products" such as bolts and nuts are manufactured using "forging." "Forging" is a processing method that uses molds to shape metal materials by compressing them. It has many advantages, such as good yield, suitability for mass production, and increased strength due to work hardening. Although both are "screw products," bolts and nuts differ in materials, manufacturing processes, and manufacturing equipment. At Daiichi Kogyo, as a specialized group that manufactures both bolts and nuts, we have accumulated production and manufacturing technologies that correspond to each of these differences. We also utilize FEM analysis to conduct forging simulations, which are applied in process design and mold design. The reason we can manufacture both bolts and nuts can be found in the link below: "Production and Manufacturing Technology of the Specialized Group." A specialized group that manufactures both bolts and nuts has compiled "Basic Knowledge of Forging." We provide a clear explanation of the actual processing steps with accompanying photographs. Improvement examples utilizing FEM analysis are also included. Please download and take a look.

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