Horikoshi Seiki Co., Ltd. provides highly productive, multi-tasking operations\machining with our NC (numerical control) lathes and precision cutting with our machining centers and five-axis machining equipment. We eagerly support high-precision machining and high-mix production, even for small and medium size batches.

Horikoshi Seiki Co., Ltd.

1-16-1 Omori-nishi, Ota-ku, Tokyo 143-0015, Japan

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Horikoshi Seiki Co., Ltd. provides highly productive,multi-tasking operations\machining with our NC lathes and precision cutting with our machining centers and five-axis machining equipment.

To customers who look for a dependable, solution-oriented machining company

Need to solve a variety of issues, such as unit price, quality, design or productivity?
Horikoshi Seiki Co., Ltd. has the answer\we create solutions for all your machining needs.
We cover all steps along the way, from machining to assembly, with our numerical control lathes and machining centers. We can handle any batch size, from one piece to 10,000 pieces, and accommodate any size, from 1mm to 200mm. We have a solution for every machining job, from simple projects to complicated challenges. We can even offer five-axis machining. Our facilities provide not only metal machining, but resin machining as well.

NClathes,Machining centers,Five-axis machining epuipment

Our lathes boast 1|200 mm diameters and our machining centers ensure 1|200 mm angles. Our machining operations result in up to 1/1000 mm precision. Horikoshi Seiki equipment handles a wide scope of materials, from metals such as steel, aluminum, stainless steel, brass and titanium to a variety of resins. Our five-axis machine tools process everything from simple forms to 3D configurations.
We particularly pride ourselves on our superior machining of thin parts and optical parts.

Surface treatment and assembly

Horikoshi Seiki supports everything from machinery processing to surface treatment and assembly.
We provide a full line of services, including sheet metal processing, heat treatment, surface treatment and procurement of standard parts. Strategically applying the creative industrial network for which Ota ward is so well known, we are able to offer thorough and prompt service for all your machining needs.

For small batches to high-volume production

From small batches to high-volume production; from 1 piece to 10,000 pieces.
Horikoshi Seiki is your all-around source for all machining solutions!

Offering a totally seamless service, covering every step of the way, to create the high quality products you need.
Phone: 03-3761-5533 e-mail contact form
Only Ota Quality Registered Company
Horikoshi Seiki was honored to receive the g2007 Monozukuri Human Resource Education Award for Small and Medium Businesses in the Tokyo Areah from the Tokyo Metropolitan government. 2007 Monozukuri Human Resource Education Award for Small and Medium Businesses in the Tokyo Area

We receive the Monozukuri Human Resource Education Award.
The Tokyo Metropolitan Government bestowed on us this award in recognition of our original education and training system, human resource development system and high level of respect for our employees that have resulted in direct benefits and results in business operations.

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Major applications of Horikoshi Seiki machined parts

Industrial equipment, optical instruments, aerospace instruments, measuring instruments and semiconductor equipment.

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Horikoshi Seiki promotes quality control and environment control.

We actively integrate and apply IT to all operations, such as quality control, delivery management, outsourcing management, machining and CAD (computer-aided design)/CAM (computer-aided manufacturing).

We actively integrate and apply IT to all operations
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