# Union Tool to build $40M sixth plant in Nagaoka, Japan for PCB drill production

Union Tool announced construction of the Nagaoka Sixth Plant on its existing Nagaoka Works site in Niigata Prefecture, Japan, to increase production capacity for carbide drills for printed wiring boards. The investment is approximately 6.2 billion yen ($40 million), with completion expected in June 2027.

- Type: New facility
- Announced: 2025-11-11
- Where: Nagaoka, Niigata Prefecture, Japan
- Value: $40.0M (6.20B JPY)
- Starts operating: Jun 2027
- Status: announced
- Products: carbide drills for printed wiring boards
- Sectors: [Industrial Machinery](https://endata.com/sectors/industrial-machinery.md)

## Companies

- [Union Tool](https://endata.com/companies/70318.md)

## Sources

- [kikai-news.net](https://kikai-news.net/2025/11/12/%e3%83%a6%e3%83%8b%e3%82%aa%e3%83%b3%e3%83%84%e3%83%bc%e3%83%ab%e3%80%81%e7%b4%8462%e5%84%84%e5%86%86%e6%8a%95%e3%81%98%e9%95%b7%e5%b2%a1%e5%b7%a5%e5%a0%b4%e6%95%b7%e5%9c%b0%e5%86%85%e3%81%ab%e7%ac%ac/), 2025-11-12: "ユニオンツール（東京都品川区）は11月11日、主力製品であるプリント配線板用超硬ドリルの生産体制強化を目的として、新潟県長岡市の長岡工場敷地内に新工場を建設すると発表した。"

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.