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  6. What is cold forging? Solving issues such as "the cost reduction of parts is not progressing"!

What is cold forging? Solving issues such as "the cost reduction of parts is not progressing"!

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last updated:Nov 13, 2025

石渡螺子製作所
石渡螺子製作所
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From machining to forging! Achieve significant cost reduction and quality improvement with VA/VE proposals. For custom screws and fastening parts with complex shapes, leave it to Ishiwata Screw Manufacturing.

Are you facing issues like 'the cost reduction of parts is not progressing,' 'we are struggling with insufficient strength,' or 'the machining process takes too long'? While machining allows for high-precision processing, it often results in a lot of material waste (cutting chips) and can be time-consuming, leading to higher costs. Additionally, the cutting of the metal's fiber structure can leave challenges regarding strength. At Ishiwatari Screw Manufacturing, we strongly support our customers' VA/VE proposals, leveraging the cold forging technology we have cultivated over many years. Cold forging has the following advantages as it shapes materials by compressing them in a mold without cutting. We respond to a variety of materials and work 'together with our customers' from the prototype and development stages. Even from a single drawing, we can propose the optimal shape and method. We also offer one-stop solutions for secondary processing (machining, polishing, etc.) after forging. Under a thorough quality assurance system based on ISO9001, we deliver reliable products to our customers. If you are struggling with cost reduction or quality improvement of fastening parts, please feel free to consult Ishiwatari Screw Manufacturing. *For more details, please contact us or download our catalog.

    Contract manufacturingProcessing Contract
cold-heading_pics02.jpg

What is cold forging? Solving issues such as "the cost reduction of parts is not progressing"!

cold-heading_pics02.jpg
cold-heading_pics02.jpg
  • Related Link - https://www.ishiwata-rashi.jp/cold-heading.html

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【Features】 1. High precision and high strength: The metal structure becomes dense due to plastic processing, and the uninterrupted fiber flow improves strength and durability. 2. Significant cost reduction: Good material yield and the ability for high-speed production contribute to substantial cost savings. 3. Complex shape compatibility: With unique technological capabilities, we can achieve forging of complex shapes and irregularly shaped parts that are difficult to machine. 【Compatible materials】 Iron, stainless steel, aluminum, copper, brass, titanium alloys, etc. 【Compatible sizes】 Please consult us. 【Main equipment】 Header, former, rolling machine, various secondary processing machines, image sorting machines, various inspection equipment.

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Custom screws, bolts, rivets, pins, shafts, and specially shaped fastening components for a wide range of industrial fields such as automobiles, motorcycles, construction machinery, housing equipment, low-voltage equipment, and medical devices.

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Ishiwatari Screw Manufacturing Co., Ltd. - Business Introduction

Ishiwatari Screw Manufacturing Co., Ltd. - Business Introduction

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石渡螺子製作所

石渡螺子製作所

Machine elements and parts

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Our company is engaged in the manufacturing and sales of automotive parts and special components. We produce high quality through a consistent and precise process management system from order to production and delivery. We possess the technical capabilities to respond to new product development and create high-quality products. Standing at the origin of manufacturing, we continuously embody creativity, challenge, and perseverance with the motto of "always creating products that satisfy our customers and providing stable quality," with all employees working together in production.

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