Products

HIKARI SEIKO's products that are created with our advanced skills and rich
know-how support tomorrow's car society with our "global quality".

Based on our technology and know-how that we have nurtured in the automotive industry, which requires accuracy in the level of microns (1/1000 of a millimeter), we, as a leading manufacturer of universal joints, provide a global quality that consists of quality and competitive cost highly esteemed by the global market, and the power of good service.

Amidst the acceleration of globalization, we will continue to challenge ourselves in manufacturing with our eyes set on the next generation, aiming to become a company that is trusted by the international society.

Automobile Parts

Drivetrain parts that are the backbone of solid driving

We provide a high-quality, reliable line up of drivetrain parts, which transmit the engine s power to the wheels without loss, primarily through our universal joints, as well as intermediate shafts and constant velocity joints.

Universal Joint

Material：SCr, SCM
Total length：26～104mm
Intermediate Shaft

Material：SMnB, SB
Total length：300～650mm
Inner Race

Material：SCr
Outer diameter：Φ65～Φ74mm
Tripod Joint

Material：SCM
Maximum outer diameter：Φ27
Differential Spider

Material：SCr
Total length：122～148mm

Bearing & parts that allow sophisticated mechanisms to function

Bearing products are essential to reducing friction, which is an issue in any mechanical systems.
We handle a wide variety of bearing parts for industrial machinery, including cars.

Needle Roller

Material：SUJ
Outer diameter：Φ1～Φ19mm
Ball Bearing

Material：SUJ
Outer diameter：Φ20mm
Roller Bearing

Material：SCr, SUJ
Outer diameter：Φ22～Φ27mm

Engine parts that achieve both lighter weight and durability

The various parts that comprise the engine are the heart of the car. We have responded to the need for the two contradictory qualities of durability and lighter weight, through our unique know how and advanced technology.

Oil Jet

Material：STKM, SPCC, S15C
Nozzle diameter：Φ3.2～Φ4mm
Check Valve

Material：S45C, SWCH, SUS
Body outer diameter：Φ6～Φ19mm
Common Rail Component

Material：SCM
Overall body length：54～58mm
Piston Pin

Material：SCr, SCM
Total length：39～120mm

Starter parts

Material：SCr
Outer diameter：Φ16mm
Material：SCM
Outer diameter：Φ43～Φ46mm
Material：SCM
Outer diameter：Φ54mm

A transmission that efficiently transfers engine power.

Transmission components, which require high durability and wear resistance, are subject to particularly stringent quality control as critical safety components.
Furthermore, for automatic transmission components which require high precision to ensure smooth shifting we offer a wide range of parts manufactured using high precision machining techniques as critical functional components.

Sleeve

Material：SCr
Total length：31～50mm
Spool

Material：SUM ,S45C, A6061
Total length：5～156mm
Pinion Shaft

Material：SNCM, SUJ, SK
Total length：25～53mm
Gear Sleeve

Material：SCr, SUJ
Total length：16～58mm

A key player in ensuring safety and peace of mind while supporting comfort.

In automotive braking systems, this technology reduces the force required to operate the pedal, enabling smooth and safe braking.
This is a vital mechanism that works behind the scenes to ensure peoples safety and a smooth ride.

Cylinder Pump

Material：SUJ,SCr
Overall length：22～29mm
Shaft Cam

Material：S45C
Total length：45～56mm
Ring Seal

Material：SPCD
Outer diameter：Φ70mm

Agricultural and industrial machinery parts

Critical parts that are used in pivotal areas of industrial machinery,
especially for construction and agriculture

Hydraulic solenoid valves using precision processing technology are being applied in a wide range of fields, such as construction and agricultural machinery.

Eccentric Bearing

Material：SUJ
Outer diameter：40～136mm
Universal Joint

Material：SCr, SCM
Total length：26～104mm
Piston pin

Material：SCr, SCM
Total length：39～120mm
Orifice

Material：SUS
Outer diameter：Φ11mm

New Products

We develop products inspired by challenges we face in our own workplaces,
refining them through repeated use in actual operations.

We are gradually making these products available to external customers, starting with those that we have determined to be truly useful after using them internally.
We deliver highly practical products that reflect the needs of the shop floor.

HKRacool V2 Model
Magnetic Attachment Control Panel Cooler
HKRacool V3 Model
Magnetic Attachment Control Panel Cooler
Coolant Tank
Maintenance-Free
Thermoelectric Generator Unit
Dial Gauge Cover
Smart Meter

Special Purpose Machines

We make suggestion and conduct sales of a variety of special purpose machines, based on the know how we have developed and implemented through our production technology.

We develop our products in house, in order to achieve both high quality and low price. Based on our know how of manufacturing production equipment with high cost effectiveness, we propose compact and high productivity special purpose equipment.