We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Cold-rolled steel bars.
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Cold-rolled steel bars Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated: Aggregation Period:Sep 24, 2025~Oct 21, 2025
This ranking is based on the number of page views on our site.

Cold-rolled steel bars Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:Sep 24, 2025~Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. 愛知県 小牧市 こまき新産業振興センター Aichi//Government
  2. アズマックス 東京本社、大阪営業所、名古屋営業所、千葉工場、茨城工場 Tokyo//Manufacturing and processing contract
  3. 鶴岡発條 Yamagata//Machine elements and parts
  4. 4 日本シャフト製造 千葉工場 Chiba//Machine elements and parts
  5. 5 大阪ミガキ Osaka//Building materials, supplies and fixtures

Cold-rolled steel bars Product ranking

Last Updated: Aggregation Period:Sep 24, 2025~Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. Kokubo Steel Bar Center Co., Ltd. Business Introduction 愛知県 小牧市 こまき新産業振興センター
  2. U-bolt polished round steel SGDΦ6.0 鶴岡発條
  3. Examples of our product applications アズマックス 東京本社、大阪営業所、名古屋営業所、千葉工場、茨城工場
  4. Steel material "Mikaki bar steel" manufactured using non-cutting "plastic processing." アズマックス 東京本社、大阪営業所、名古屋営業所、千葉工場、茨城工場
  5. 4 Japan Shaft Manufacturing Co., Ltd. Business Introduction 日本シャフト製造 千葉工場

Cold-rolled steel bars Product List

1~6 item / All 6 items

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Japan Shaft Manufacturing Co., Ltd. Business Introduction

We promise speedy and accurate delivery of special steel, which is active in various industrial fields, with a rich inventory.

Japan Shaft Manufacturing Co., Ltd. responds broadly to the needs of manufacturers in industries such as industrial machinery, agricultural machinery, the automotive industry, printing machinery, and building materials/construction machinery. With the motto "immediately usable polished shafts," we focus on producing round bars, square and hexagonal materials, and various shaped drawn materials. We handle a wide range of steel materials, including polished round steel, general structural steel, bearing steel, and carbon tool steel, with a rich inventory. We have introduced a state-of-the-art fully automatic circular saw cutting machine capable of cutting from Φ10mm to Φ160mm, establishing a supply system that ensures reliable quality and short delivery times for round materials, square materials, and pipe materials. 【Business Activities】 ■ Processing and sales of drawn steel shafts (polished round steel) ■ Processing and sales of other ferrous and non-ferrous metals *For more details, please feel free to contact us.

  • Special Steel

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Examples of our product applications

A wide range of business fields and various types of steel products! We will introduce examples of our product applications.

Azumax Corporation handles various types of irregular polished round steel bars that can accommodate any shape. Our products are used in a range of applications, including machine tools, advanced medical devices, and the track axes of home doors, as well as in the automotive sector, transportation equipment, and construction materials. To meet the diverse needs of our customers, we pursue everything from A to Z to the MAX, continuously generating possibilities for the future with innovative thinking. Please feel free to contact us when you need our services. 【Examples of Applications (Partial)】 ■ General irregular track axes ■ General irregular automotive-related ■ General irregular tool-related ■ SUS irregular medical devices ■ SUS irregular environmental machinery and industrial machinery ■ SUS materials mass flow-related *For more details, please refer to the PDF materials or feel free to contact us.

  • shaft

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Kokubo Steel Bar Center Co., Ltd. Business Introduction

Abundant stock and quick response! A "polishing convenience store" that offers small lots starting from one piece or one item.

Kokubo Maboko Center Co., Ltd. is a company that handles a wide range of products, including processed goods, surface-ground materials, stainless steel, aluminum, and resin. With a strong focus on the local community, we respond to various needs with a rich inventory and short delivery times. We offer small lot products starting from one piece or one unit, and we also provide precision cutting and same-day delivery. Additionally, we have launched the WEB-SHOP "Mikaki no Eki," pursuing advanced convenience, and we also accept nationwide shipping. 【Products Offered (Partial)】 ■ Polished round steel ■ Plated shafts ■ Stainless steel ■ Aluminum ■ Surface-ground materials *For more details, please download the PDF or feel free to contact us.

  • Steel
  • Other metal materials

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U-bolt polished round steel SGDΦ6.0

Thread cutting and bending processing are also possible.

Material: Polished round steel rod, SGD Wire diameter: Φ6.0 A round rod with threads cut on both ends is bent into a U-shape. We have a proven track record with similar shapes using the following materials: 1) Ordinary iron wire, SWM-F 2) Hard steel wire, SW-B, SW-C 3) Stainless steel wire, SUS304-W1 4) Spring stainless steel wire, SUS304-WPB Our company specializes in spring processing and bending of round rods. Please feel free to consult us if you have any concerns. Tsuruoka Spring Co., Ltd. Contact: Ujiie Phone: 0235-22-0407 FAX: 0235-22-0546 Email: web@tohj.com

  • Contract manufacturing

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【Equipment】6 cutting machines and 1 beveling machine owned!

Introducing our equipment! Leave the manufacturing and sales of "polished round steel" to us.

Osaka Migaki Co., Ltd. manufactures and sells "Migaki round steel." From manufacturing to sales, we respond quickly to both large and small lots with a rich inventory and immediate delivery system. We contribute to your production activities. Additionally, we own 6 cutting machines and 1 beveling machine. The cutting machines have a length tolerance of ±0.3% (capable of cutting diameters from φ5 to φ300), and the beveling machine can bevel diameters from φ10 to φ35. 【Equipment Owned】 ■ Cutting machine manufacturers: Tsune Machine Tool Co., Ltd., Amada Machine Tools Co., Ltd. ■ Automatic cutting machines for round and flat steel ■ Horizontal automatic lathe *For more details, please refer to the PDF document or feel free to contact us.

  • Steel
  • stainless
  • Special Steel

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Steel material "Mikaki bar steel" manufactured using non-cutting "plastic processing."

The 'polished bar steel' has extremely low material loss and improved material strength. It achieves superior dimensional accuracy and a smooth, glossy surface compared to hot processing.

Our company manufactures polished bar steel using cold processing methods known as "cold drawing" and "cold rolling." Both processes are plastic deformations that do not cut or grind the steel material, resulting in extremely minimal material loss. Additionally, since the processing is done at cold (room temperature), it does not reduce material strength, and compared to hot (high temperature) processing methods, it achieves a high level of dimensional accuracy. 【Features】 <Cold Drawing> - A processing method where the raw bar steel or wire is passed through a tool called a "die," which has holes, at "cold (room temperature)" to stretch and change the shape of the material. - By changing the shape of the die hole, it is possible to manufacture various shapes. <Cold Rolling> - A processing method where bar steel or wire is passed between a pair of cylindrical rollers (called rolls), changing its shape by squeezing it like stretching noodles. *For more details, please download the materials or feel free to contact us.

  • Processing Contract

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