Cold Forging and Special Screw Case Study | SUS XM-7 Manufactured Architectural Ultra-Low Head Bolts

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last updated：Jul 16, 2025

太西精工

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In response to your request to keep the head as low as possible, we have successfully achieved mass production with a head diameter of φ18 and a head thickness of 2mm using only cold forging.

We would like to introduce a case study of proposals unique to Tainishi Seiko, a manufacturer of construction materials, based on their extensive experience with "low-profile round head bolts." The manufacturer requested that the head be as low as possible. Our company was able to mass-produce a head diameter of φ18 with a head thickness of 2mm using only cold forging and without any secondary processing. [Case Overview] ■ Request - To achieve the lowest possible head ■ Proposal and Results - Mass production was achieved with a head diameter of φ18 and a head thickness of 2mm using only cold forging and without any secondary processing. *For more details, please refer to the related links or feel free to contact us.

Related Link - https://www.onishi-seiko.com/proposal.html

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【Other Case Summary】 ■Industry: Construction Materials Manufacturer ■Number of Employees: 100 to 200 ■Final Product: Construction Hardware ■Region: Shizuoka Prefecture ■Selection Reasons: Reduction of man-hours, shortening of delivery time, resolution of technical issues ■Material: SUS XM-7 ■Application: Construction use *For more details, please refer to the related links or feel free to contact us.