Komatsu Spring Industrial Co., Ltd.

Since our establishment in 1941, we have produced precision springs entirely to order. We specialize in
working with wire diameters around 0.02 mm to 2.5 mm with our products being used in a broad range
of fields, including electronic device components, telecommunications equipment, consumer electronics,
medical devices, vehicles (motorcycles), and jewelry.

Torsion springs

Wire forms

Coil spring: φ 0.03 mm

Compression spring

Tension spring

Specialized Products, Technologies and Services

Types

• Compression springs
Tension springs
Coil spring forms: Straight, angled, cone, variable pitch, variable outer diameter, long coil
• Torsion springs
• Wire formings

Materials used

Stainless steel, piano wire, platinum, phosphor bronze

Material forms

Round wire, flat wire
We specialize in working with wire diameters of 0.02 mm to 2.5 mm. We are also able to handle everything from prototyping to mass
production. Using skills passed down since our founding, we make full use of everything from mechanical to NC machines to create our
products. We manufacture our own jigs, tools, and molds, making it possible for us to maintain high-precision quality.

Current Status of Overseas Business

Key Business Partners

• Alps Electric Co., Ltd.
• Hitachi Astemo, Ltd.
• Walbro Co., Ltd

Future Target Countries and Regions

Europe, U.S.A, and Asia

Overseas Business Prospects

Company Information

Contact