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Company Profile
Daiyac Corporation was founded in 1989 as a sales subsidiary of Daiya Seiki Co., Ltd. Our Okaya City, Nagano Prefecture, Japan based company accepts one-piece design, production, and delivery of products like ER Collet Chuck, Collet Chucks For Automatic Lathes, Premium Guide Bush, etc. Collet Hand, a precision handling device for robots using a collet chuck, was added to our product lines in the year 2019. We also provide high-speed spindles for precision processing and quills for internal surface grinding wheels to satisfy your needs. In 2002, we received ISO14001 accreditation. In consideration of the global environment, we re-grind and repair collet chucks, guide bushes, and chuck sleeves in order to make the most of limited resources and reduce waste.

Key Facts of Daiyac Corporation:

Nature of Business

Manufacturer, Supplier and Exporter


Okaya City, Nagano Prefecture, Japan

Year of Establishment


No. of Employees


No. of Engineers



ISO 9001 and ISO14001

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