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 welcomes all types of orders, from simple machining to tough jobs, while supporting every step of the process, from design and parts machining to product assembly. You can feel confident and comfortable leaving all your machining needs up to us!

Materials We Can Machine

Materials

Aluminum (A5056), duralumin (A2017, A7075), iron (SS400, S45C, SK), stainless steel (SUS303, SUS304, SUS316, SUS440C), brass (C3604), titanium, resin (POM, PP, PC), etc.


Work Size

For round components, we handle material diameters of up to approximately 200 mm and for all other shapes, we handle materials of up to approximately 400 x 500 mm.


Lot Size

We accept orders for any size lot, from one piece to 10,000 pieces.


Shapes We Can Machine

We process all shapes, from simple designs to 3D configurations.


Types of Machining

Surface treatment, heat treatment, grinding, sheet metal processing, welding, turning, contouring, stamping, wire cutting, electro-discharge machining, etc. Our extensive network in Ota Ward enables us to handle virtually any process requested by our customers.


Surface Treatment through Partner Factories

We handle a broad range of surface treatments, including chromate, zinc galvanization, electroless nickel, nickel, chrome, hard chrome, tin plating, gold plating, black oxide, alumite, etc.


Offering a totally seamless service, covering every step of the way, to create the high quality products you need.
Offering a totally seamless service, covering every step of the way, to create the high quality products you need. 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 Areah 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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