Insert Nut - Company Ranking(10 companyies in total)

Last Updated：Aug 20, 2025 Aggregation Period:Jul 23, 2025〜Aug 19, 2025
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Company Name	Company information	Featured Products
Company Name	Company information	Product Image, Product Name, Price Range	overview	Application/Performance example
第一工業鋲螺事業部(ネジ・ボルト・ナット等締結部品　製造販売.　静岡県浜松市)	Address Shizuoka/ number of employees 600 Business Activities As a "specialized group in fastening components," we fulfill our customers' fastening needs through four key areas: "technological development capabilities," "production technology/manufacturing technology," "quality control capabilities," and "procurement capabilities." We provide essential mechanical elements for fastening products, such as "nuts" and "bolts." These are primarily used in transportation equipment and are manufactured and sold in Japan, China, and India. We also offer original developed products to meet our customers' fastening requirements. For example, the resin insert screw series was created in response to the request for "a resin nut that won't turn even when tightened with strong torque." This includes the "SSOO nut," a post-embedded type insert nut with a special octagonal head shape that does not damage the resin even under high torque, the simultaneously molded "SSOI nut," the cap-equipped insert nut "SSOO nut PLUS," and the embedded type resin insert bolt "SSOO bolt," all of which can be selected according to application and specifications. We support the trend towards lightweight materials by facilitating resin fastening. Aiming for optimal fastening, we analyze materials from both resin and steel. In collaboration with material manufacturers, we select the most suitable materials. Leveraging the knowledge accumulated within our company regarding materials, we develop products that achieve optimal fastening in terms of both performance and cost. Key Partners Exedy Corporation, F.C.C. Co., Ltd., Kurashiki Kako Co., Ltd., Kosei Aluminum Industry Co., Ltd., Suzuki Motor Corporation, Snick Co., Ltd., Tiger Polymer Corporation, Takagi Seiko Co., Ltd., T. Estec Co., Ltd., Namiko Co., Ltd., Husqvarna Zenoah Co., Ltd., Honda Motor Co., Ltd., Marelli Japan Co., Ltd., MARUEI Co., Ltd., Marugo Rubber Industry Co., Ltd., Yahata Co., Ltd., Yamaha Motor Co., Ltd., Yamaha Motor Power Products Co., Ltd., ROKI Co., Ltd.	[Technical Information] Basic Knowledge of Screws: "Textbook on Screws Learning from the Basics" Other	We have established a new "Fastener Parts Sales Site" at Daiichi Kogyo! You can learn the basics of screws, as well as performance evaluation and manufacturing methods. This is a dedicated homepage for fastener parts! Please take a look. https://screw.daiichikogyo.co.jp/ <Contents of "Textbook on Screws: Learning from the Basics"> ● Textbook on Screws Vol.1 [Basic Terms and Types] - What is a screw (role and terminology) - Screw shapes and basic terminology - Types of screws ● Textbook on Screws Vol.2 [Mechanism of Screw Tightening] - Principles of screws (inclined planes and helical wires) - Mechanism of screw tightening - Relationship between tightening torque and axial force - Methods for measuring axial force ● Textbook on Screws Vol.3 [Loosening and Countermeasures] - Mechanism of screw loosening - Types of loosening (rotational loosening and non-rotational loosening) - Countermeasures to prevent loosening - Evaluation of loosening resistance performance ● Textbook on Screws Vol.4 [Screw Design Part 1] - Functions of screw joints - Design conditions to consider - Malfunction phenomena in screw joints - Why is axial force important? For more details, please refer to the materials. Feel free to contact us with any inquiries.	For transportation equipment For industrial equipment For construction Other general-purpose applications
		[SSOO Nut Adoption Case] Resin Intercooler Parts Other	High torque compatible outsert nuts (SSOO nuts) are specially designed with an octagonal shape to prevent slipping (co-rotation or free rotation) and are thermal press-fit insert nuts for post-embedding. For more details, please refer to the technical report digest available for download or contact us directly.	Core components of automobiles, ships, and motorcycles, such as brakes, engines, and cooling parts. For more details, please contact us or download the catalog.
		[Case Study] You can understand the reasons for adopting high-torque insert nuts. Other	【Octa Lobular(R) Octa Lobular Series】 The special octagonal shape (Octa Lobular shape) ensures 1.8 times the torque resistance and pull-out strength compared to knurled products. It enables high-torque tightening without damaging resin products. High-torque compatible press-fit insert nut (outsert nut) 'SSOO Nut' 【Specifications】 Compatible sizes: M4, M5, M6, M8 Material: SWCH10R Surface treatment: Zinc-nickel alloy plating Molding method: Thermal press-fitting, simultaneous molding, room temperature press-fitting *For details on specifications and pilot holes, please feel free to contact us.	■Parts for transportation equipment Intercooler parts Air filter parts Interior parts Electrical parts, etc. ■Other equipment Parts for construction machinery Power tool parts Snow removal machine parts Agricultural machinery Other general-purpose applications
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第一工業鋲螺事業部(ネジ・ボルト・ナット等締結部品　製造販売.　静岡県浜松市)

Address

Shizuoka/

number of employees

600

Business Activities

As a "specialized group in fastening components," we fulfill our customers' fastening needs through four key areas: "technological development capabilities," "production technology/manufacturing technology," "quality control capabilities," and "procurement capabilities." We provide essential mechanical elements for fastening products, such as "nuts" and "bolts." These are primarily used in transportation equipment and are manufactured and sold in Japan, China, and India. We also offer original developed products to meet our customers' fastening requirements. For example, the resin insert screw series was created in response to the request for "a resin nut that won't turn even when tightened with strong torque." This includes the "SSOO nut," a post-embedded type insert nut with a special octagonal head shape that does not damage the resin even under high torque, the simultaneously molded "SSOI nut," the cap-equipped insert nut "SSOO nut PLUS," and the embedded type resin insert bolt "SSOO bolt," all of which can be selected according to application and specifications. We support the trend towards lightweight materials by facilitating resin fastening. Aiming for optimal fastening, we analyze materials from both resin and steel. In collaboration with material manufacturers, we select the most suitable materials. Leveraging the knowledge accumulated within our company regarding materials, we develop products that achieve optimal fastening in terms of both performance and cost.

Key Partners

Exedy Corporation, F.C.C. Co., Ltd., Kurashiki Kako Co., Ltd., Kosei Aluminum Industry Co., Ltd., Suzuki Motor Corporation, Snick Co., Ltd., Tiger Polymer Corporation, Takagi Seiko Co., Ltd., T. Estec Co., Ltd., Namiko Co., Ltd., Husqvarna Zenoah Co., Ltd., Honda Motor Co., Ltd., Marelli Japan Co., Ltd., MARUEI Co., Ltd., Marugo Rubber Industry Co., Ltd., Yahata Co., Ltd., Yamaha Motor Co., Ltd., Yamaha Motor Power Products Co., Ltd., ROKI Co., Ltd.

Featured Products

[Technical Information] Basic Knowledge of Screws: "Textbook on Screws Learning from the Basics"

overview

We have established a new "Fastener Parts Sales Site" at Daiichi Kogyo! You can learn the basics of screws, as well as performance evaluation and manufacturing methods. This is a dedicated homepage for fastener parts! Please take a look. https://screw.daiichikogyo.co.jp/ <Contents of "Textbook on Screws: Learning from the Basics"> ● Textbook on Screws Vol.1 [Basic Terms and Types] - What is a screw (role and terminology) - Screw shapes and basic terminology - Types of screws ● Textbook on Screws Vol.2 [Mechanism of Screw Tightening] - Principles of screws (inclined planes and helical wires) - Mechanism of screw tightening - Relationship between tightening torque and axial force - Methods for measuring axial force ● Textbook on Screws Vol.3 [Loosening and Countermeasures] - Mechanism of screw loosening - Types of loosening (rotational loosening and non-rotational loosening) - Countermeasures to prevent loosening - Evaluation of loosening resistance performance ● Textbook on Screws Vol.4 [Screw Design Part 1] - Functions of screw joints - Design conditions to consider - Malfunction phenomena in screw joints - Why is axial force important? For more details, please refer to the materials. Feel free to contact us with any inquiries.

Application/Performance example

For transportation equipment For industrial equipment For construction Other general-purpose applications

[SSOO Nut Adoption Case] Resin Intercooler Parts

overview

High torque compatible outsert nuts (SSOO nuts) are specially designed with an octagonal shape to prevent slipping (co-rotation or free rotation) and are thermal press-fit insert nuts for post-embedding. *For more details, please refer to the technical report digest available for download or contact us directly.*

Application/Performance example

Core components of automobiles, ships, and motorcycles, such as brakes, engines, and cooling parts. For more details, please contact us or download the catalog.

[Case Study] You can understand the reasons for adopting high-torque insert nuts.

overview

【Octa Lobular(R) Octa Lobular Series】 The special octagonal shape (Octa Lobular shape) ensures 1.8 times the torque resistance and pull-out strength compared to knurled products. It enables high-torque tightening without damaging resin products. High-torque compatible press-fit insert nut (outsert nut) 'SSOO Nut' 【Specifications】 Compatible sizes: M4, M5, M6, M8 Material: SWCH10R Surface treatment: Zinc-nickel alloy plating Molding method: Thermal press-fitting, simultaneous molding, room temperature press-fitting *For details on specifications and pilot holes, please feel free to contact us.

Application/Performance example

■Parts for transportation equipment Intercooler parts Air filter parts Interior parts Electrical parts, etc. ■Other equipment Parts for construction machinery Power tool parts Snow removal machine parts Agricultural machinery Other general-purpose applications
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Address

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Business Activities

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Insert Nut - Company Ranking(10 companyies in total)

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