High-precision large jig grinding machine 'J750G'

Achieving high geometric precision such as straightness, parallelism, perpendicularity, and flatness due to meticulous attention to detail!

last updated May 28, 2026

Towards the realization of carbon neutrality

Mitsui Seiki's oil-free (water-lubricated) compressor uses no oil at all!

last updated May 28, 2026

Oil-free compressor i-14000X series

Water-lubricated compressor with clean air that uses no oil at all.

last updated May 28, 2026

Precision Center PJ303X

The precision machinery of Mitsui Seiki is bringing innovation to precision micro-machining with the newly created Precision Center PJ303X.

last updated May 28, 2026

High-precision high-efficiency screw grinding machine GSH200A

Achieving outstanding performance in accuracy, productivity, and functionality.

last updated May 28, 2026

Precision Jig Borer J7CN

The ultimate mother machine that stands at the pinnacle of high-precision processing machines.

last updated May 28, 2026

Precision Jig Borer J6CN

The ultimate mother machine that stands at the pinnacle of high-precision machining.

last updated May 28, 2026

Precision Large Jig Borer J12 J16 Series

Next-generation jig borer that pursues the highest precision in large-scale machining.

last updated May 28, 2026

Red CX (Regulate Eco Drive Controller)

We will also propose an optimal number control system tailored to the facility's conditions!

last updated May 28, 2026

Zgaiard Inverter Compressor / Basic Type

An environment space brought by silent performance! The ultimate energy-saving, high-efficiency, and environmentally friendly compressor.

last updated May 28, 2026

Receiver tank

Select various filters according to the required cleanliness level of the air! Clean compressed air can be obtained.

last updated May 28, 2026

Precision Screw Grinding Machine Series Product Catalog

Introducing a wide range of products tailored for various processing applications, including precision male thread grinding machines and screw heavy grinding machines!

last updated May 28, 2026

Jig Grinding Machine Product Catalog

Achieving high precision and high efficiency grinding processing for large workpieces! A jig grinding machine that maximizes precision, efficiency, and usability.

last updated May 28, 2026

Vertical Machining Center "VU65A"

Adopting corner guides for long-term accuracy maintenance! Even with a maximum pitch of 1000mm, the maximum error is within ±4μm.

last updated May 28, 2026

Vertical Machining Center 'VU50A'

Adopting a wide working area table! Maintains stable tool mounting accuracy during high-speed rotation of the main spindle.

last updated May 28, 2026

Vertical Machining Center 'Vertex75III/75XIII'

Capable of loading workpieces with a maximum diameter of φ950mm and a height of 650mm! Introduction to 3-axis and 5-axis controlled vertical machining centers.

last updated May 28, 2026

Vertical Machining Center 'Vertex55III/55XIII'

Capable of loading workpieces with a maximum diameter of φ750mm and a height of 525mm! Introducing a 3-axis and 5-axis controlled vertical machining center.

last updated May 28, 2026

Precision Profile Center "PJ812"

The ultimate mother machine that achieves high-precision positioning of jig borers and high-precision shape processing.

last updated May 28, 2026

Jig Grinding Machine "J350G"

Introducing the jig grinding machine equipped with G-MAPS developed by our company! A perfect blend of high precision and usability.

last updated May 28, 2026

Horizontal Machining Center "HU100 Series"

Introduction of a genuine modular machine that can be customized according to needs.

last updated May 28, 2026

Horizontal Machining Center "HU80EX"

The X, Y, and Z axes are equipped with linear scales as standard! Achieving smooth feed without undue stress from uneven loads.

last updated May 28, 2026

Horizontal Machining Center 'HU63EX'

Smooth feeding while maintaining rigidity! A horizontal machining center that thoroughly pursues high precision.

last updated May 28, 2026

Horizontal Machining Center 'HU50A'

Adopting a 3-point support bed! "High precision with durability" and further into a highly productive processing area.

last updated May 28, 2026

Horizontal Machining Center 'HPX63II'

Adopting axial cooling for ball screws on all axes! High precision, high rigidity, and high efficiency horizontal machining center.

last updated May 28, 2026

Horizontal CNC Jig Borer "Jidic H5E/H6E"

We have fused the technologies of jig boring and machining centers at a higher level!

last updated Jun 01, 2026

5-Axis Machining Center Series '5-AXIS' Product Catalog

A variety of sizes and types are available! You can choose the most suitable model according to your needs.

last updated May 28, 2026

[Presenting Data] What if the car's oil were water?

If the engine is water-lubricated! It is explained in detail by comparing it to a car's oil change.

last updated May 28, 2026

Is your company eco-friendly?

If you're considering energy conservation and cost reduction, reducing compressor power consumption is an effective way to save energy.

last updated May 28, 2026

Mitsui Seiki Kogyo Co., Ltd. Machine Tools and Compressors Comprehensive Catalog

Technology that measures precision below 1μm creates high-precision machine tools.

last updated May 28, 2026