Insert Nut Product List and Ranking from 9 Manufacturers, Suppliers and Companies | IPROS

Last Updated： Aggregation Period:Apr 01, 2026～Apr 28, 2026
This ranking is based on the number of page views on our site.

Insert Nut Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Apr 01, 2026～Apr 28, 2026
This ranking is based on the number of page views on our site.

  1. 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) Shizuoka//others
  2. 廣杉計器 Kanagawa//others
  3. アドバネクス Tokyo//others
  4. モリシタ Osaka//others
  5. タカシマ 締結部品・加工部品　ものづくり総合商社 Tokyo//Building materials, supplies and fixtures manufacturers
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Insert Nut Product ranking

Last Updated： Aggregation Period:Apr 01, 2026～Apr 28, 2026
This ranking is based on the number of page views on our site.

  1. [Technical Information] Basic Knowledge of Screws: "Textbook on Screws Learning from the Basics" 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)
  2. High torque compatible cap insert nut "SSOO Nut PLUS" 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)
  3. "AISERT" is suitable for reinforcing female threads. アドバネクス
  4. Support for weight reduction. "Basic Knowledge of Insert Nuts that Support Resin Products" 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)
  5. 4 Technical Data: High Torque Compatible Outsert Nut SSOO Nut 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)

Insert Nut Product List

31～42 item / All 42 items

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"SSOO Nut" that reduces the cost of bolts and nuts to 2/3 *Case study materials*

"SSOO Nut" that reduces the cost of bolts and nuts to 2/3 *Case study materials*

By using SSOO nuts, the cost of bolts and nuts is reduced to 2/3! We are offering a free case study that demonstrates achieving a 2/3 cost reduction and a 17% decrease in threaded parts!

This is an introduction to a case where the automotive parts that typically used six insert nuts were replaced with the "high-strength" SSOO nuts from Daiichi Kogyo (high torque compatible insert nuts), resulting in a reduction of the number of components to four. By reducing the number of insert nuts by "two," the number of bolts was also decreased, leading to a cost reduction of about two-thirds and a weight reduction of 17% for the threaded components. ■ We are currently offering free case study materials that demonstrate the effects of cost reduction and weight reduction! ■ *For more details, please view the PDF available for download.

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[Technical Data] High Torque Compatible Insert Nut "SSOI Nut"

[Technical Data] High Torque Compatible Insert Nut "SSOI Nut"

We are offering free technical materials that demonstrate the strength of SSOI nuts! The materials include a wealth of test data such as tensile tests, torque strength tests, and tightening tests.

The SSOI nut improves torque resistance performance by being molded into a special octagonal shape. It is an insert nut that achieves "difficulty in rotation" and "difficulty in removal," molded simultaneously during resin molding. This technical report presents abundant test data, including tensile tests and torque strength tests, as well as adoption results, explaining the excellent performance of the SSOI nut. ● "Difficulty in rotation" By molding into a special octagonal shape, the torque resistance performance has been significantly improved compared to conventional insert nuts. It prevents the nut from spinning freely (back spinning) during high-torque tightening. 【Verification Test Results】 Torque strength test results (Material: MC Nylon): 25N·m or more ● "Difficulty in removal" Designed for simultaneous use with resin molding, it has excellent tensile (pull-out) strength. It features high vibration resistance and high rotational torque, making it difficult to loosen. 【Verification Test Results】 Pull-out load test results (Material: MC Nylon): 8250N ● Shape As a non-through type, there is no need to worry about resin flowing into the screw hole. 【Adoption Examples】 Resin parts such as air cleaners and intake manifolds. *For detailed technical information, please refer to the download.

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[SSOO Nut Adoption Case] Hydrogen Emission Parts and Filter Parts

[SSOO Nut Adoption Case] Hydrogen Emission Parts and Filter Parts

By reducing the number of screw components, we have achieved a weight reduction of approximately 17%! Here are examples of the adoption of SSOO nuts. *SSOO nut technical report available.

Here are some examples of adoption that contributed to weight reduction with the high pull-out strength of SSOO nuts. <Adoption Example 1> Adoption Location: Hydrogen discharge parts used in hydrogen fuel cell vehicles (4 SSOO nuts, M6 size, used per unit) Target Resin: PP-TD30 (Polypropylene Talc 30%) [Challenge] ■ To reduce the number of screw components for weight reduction (previously 6 per unit) [Solution] ■ High pull-out strength enabled the reduction of the number of components used [Effect] ■ Reduced the number of screw components to 4 per unit ■ Achieved a weight reduction of 8g (approximately 17%) for screws <Adoption Example 2> Adoption Location: Automotive filter components (2 SSOO nuts, M6 size, used) Target Resin: New material resin using plant-derived fibers (PP) [Challenge] ■ To reduce the number of screw components for weight reduction (previously 3) ■ Insufficient strength of the new material resin causes it to spin under the specified torque with conventional products [Solution] ■ High pull-out strength enabled the reduction of the number of components used ■ High torque resistance performance meets the specified torque requirements [Effect] ■ Reduced the number of screw components to 2 ■ Achieved a weight reduction of 4g (approximately 17%) for screws

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Technical Data: High Torque Compatible Outsert Nut SSOO Nut

Technical Data: High Torque Compatible Outsert Nut SSOO Nut

You can understand the strength of SSOO nuts! We are offering a technical document that includes data from tensile tests, torque strength tests, and adoption results for free!

The SSOO nut is a high-spec insert nut that contributes to both "high torque compatibility" and "weight reduction." This document is a technical report that includes abundant test data such as tensile tests and torque strength tests for the SSOO nut, as well as usage records. ● High Torque Compatibility Thanks to its unique octagonal shape and the irregularities on the shaft, both torque strength and pull-out strength have been improved compared to conventional insert nuts. 【Verification Experiments】 Torque Strength Test (Material: PP): 31.0 N·m (80% improvement in turning torque compared to conventional products) Pull-Out Load Test (Material: PP): 2713 N (18% improvement in pull-out load compared to conventional products) ● Weight Reduction In applications for resin parts in transportation equipment such as automobiles, replacing conventional nuts with SSOO nuts has led to a reduction in the number of screw components and weight reduction. 【Adopted Resin Parts】 Hydrogen emission parts and intercooler parts in automobiles For detailed technical information, please refer to the download.

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Enabling the processing of complex shapes! About secondary processing in cutting.

Enabling the processing of complex shapes! About secondary processing in cutting.

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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[SSOO Nut Adoption Case] Speaker cover parts of the car door section

[SSOO Nut Adoption Case] Speaker cover parts of the car door section

Supports high-level torque tightening! Introducing case studies of SSOO. *Case studies are featured in the SSOO Technical Report available now.

Here is a case study of the adoption of high-torque compatible insert nuts (SSOO nuts). Adoption location: Speaker cover parts of a car door Target resin: PP-TD30 (Polypropylene Talc 30%) [Challenges before introduction] - We were looking for an insert nut that could withstand high torque tightening. [Deciding factors for introduction] - After conducting comparative tests with products from other companies, the SSOO nut was adopted because it demonstrated the highest strength. [Effects after introduction] - Since it can withstand high torque tightening, there is no occurrence of nut spinning or loosening. *For more details, please refer to the technical report digest available for download or contact us directly.

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High torque compatible cap insert nut "SSOO Nut PLUS"

High torque compatible cap insert nut "SSOO Nut PLUS"

<New Product> Adding more peace of mind! A new insert nut that advances weight reduction. "Doesn't rotate" + "Doesn't loosen" = Protects resin products.

The "SSOO Nut PLUS" adds a cap to the reliable outsert nut, the SSOO Nut! It is a new insert nut from the Octa Lobular(R) series. <Are you having trouble fastening resin parts?> With the SSOO Nut PLUS, you can ensure the high torque resistance and pull-out strength of the "non-rotating" SSOO Nut. It solves the fastening issues of resin parts! 【Features】 ■ High torque resistance performance 1.8 times that of knurled products, preventing slipping and co-rotation even when tightened with high torque. ■ High pull-out strength 1.2 times that of knurled products, also excellent in vibration resistance. ■ Adds a horizontal cap to the SSOO Nut! - Can be used with simultaneous molding, making it suitable for thermosetting resins. - The cap prevents resin from wrapping around, ensuring secure fastening. - The horizontal cap can be used in space-constrained battery parts and resin components. - Prevents loosening by ensuring metal contact. It can be used as either an insert or an outsert, allowing you to choose specifications according to your application. *For more details, please refer to the materials available for download in PDF format or feel free to contact us.

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Are you having trouble with resin fastening? We have "screws specifically for resin fastening"!

Are you having trouble with resin fastening? We have "screws specifically for resin fastening"!

Cannot secure the resin. The resin cracks. "Screws for insert molding" support the fastening of the resin. Free distribution of "Basic Knowledge of Insert Nuts" is ongoing!

Are you having trouble with fastening resin products? You want to tighten them strongly, but the resin cracks. Conventional fastening designs can't be used. You can bond with resin clips or adhesives, but it's a problem if they can't be removed... We have a solution for such "troubles": "screws for insert molding." "What are screws for insert molding?" We offer a technical document that answers that question for free. An insert nut is one type of screw for insert molding. By embedding it in the resin and reinforcing the fastening part, it enables fastening of resin using "bolt + nut." We clearly explain why insert nuts are necessary, how to use them, and the types of resins used, covering the "basics of insert nuts." Our company manufactures the "Octa Lobular Series," screws specifically for fastening resin products. With a special octagonal head shape, it ensures 1.8 times the torque resistance and pull-out strength compared to knurled products, protecting the resin and achieving high-torque fastening. We solve the "troubles" of fastening resin. Please check the detailed documentation of the series available for download. We also have a wide variety of colors for resin. Feel free to contact us with any inquiries.

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Basics of Screw Manufacturing Technology [Welding Edition] - First Industrial's Screw Manufacturing Technology

Basics of Screw Manufacturing Technology [Welding Edition] - First Industrial's Screw Manufacturing Technology

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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Insert nut

Insert nut

Introduction of standardized products for both insert nuts used during plastic molding and insert nuts used after molding.

Dodge Insert SD・FD Features: Usable with thin-walled materials Usage: Expansion method Resin type: Thermosetting; Thermoplastic Bit Insert SB・FB Features: General-purpose type. Inexpensive. Usage: Heat welding; Press-fit method Resin type: Thermoplastic Ultra Insert UDII Features: Easy to set with a tapered shape and good thermal conductivity. Usage: Heat welding Resin type: Thermoplastic Ultra Insert UDIV Features: Asymmetrical knurled shape. Usage: Excellent in tensile and torque strength. Resin type: Heat welding; Thermoplastic Mini Bit MIB Features: Mini size. Accommodates miniaturization of counterpart materials. Usage: Heat welding; Press-fit Resin type: Thermoplastic

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Insert nut "Insert during molding"

Insert nut "Insert during molding"

Introduction of inserts used in molding that are set in the mold during resin molding!

The "Insert for Molding" is an insert used by setting it in a mold during resin molding. The shape of this type of insert is often influenced by the customer's metal shape, so it is not standardized, but we offer various shapes and sizes. Additionally, as a precaution during use, when using mold pins to secure the insert during formation, please adjust the metal pin and the inner diameter of the insert. If there are no specific instructions from the customer regarding the inner diameter of the insert, we manufacture it according to JIS II standards. We offer "Iris Inserts" and "Flat Inserts," which have an iris-patterned knurling on the outer diameter of the product, providing a balance of torque and tensile strength. 【Iris Insert】 ■ Features - The outer diameter of the product has an "iris-patterned knurling." - It is balanced in terms of "torque and tensile strength." ■ Shape - The "tensile strength" can be enhanced by adding a "groove" shape. - We provide "through holes and blind holes." *For more details, please refer to the PDF document or feel free to contact us.

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Square Insert Screw(TM)

Square Insert Screw(TM)

It was developed to solve issues such as the detachment of screws in the manufacturing industry!

The "Square Insert Screw(TM)" is a square-shaped screw that solves issues such as damage to the base material and loosening due to over-tightening of metal bolts, as well as loosening caused by the low friction coefficient of resin bolts. Even if over-tightened, it is difficult to rotate, and it has a locking function along the entire length of the screw. 【Installation Method】 ■ Resin base material: Insert molding, thermal press fitting, etc. ■ Metal base material: Injection using a dedicated jig *For more details, please download the PDF or feel free to contact us.

  • Company：IRO
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