Product
- TIRE CORD, BEAD WIRE & SAW WIRE BUSINESS UNIT
- Special Steel Wire Division
- Functional Materials Division
- Life Science Division
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Bead Wire
End products
- Steel radial tires
- Aircraft tires
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Steel Cord
End products
- Steel radial tires
- Construction vehicle tires
- Industrial and Agricultural Vehicle tires
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Hose Wire
End products
- Hydraulic hoses
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Saw Wire
End products
- Silicon wafers for semiconductor devices
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Piston Ring Wire
End products
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Various types of engines
(Passenger cars, trucks, construction machinery, motorcycles, etc)
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Various types of engines
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Snap Ring Wire
End products
- Automotive transmissions
- Bearing components in industrial machinery
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Spring Wire
End products
- Bicycle gear shifting systems
- Washing machine clutches
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Mainspring Wire
End products
- Starters for generators, lawn mowers, etc.
- Vacuum cleaner cord reels
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Music Wire
End products
- Engine-related components for construction machinery
- Lighting switches
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Fishing Hook Wire
End products
- Various types of fishing hooks (Gure hooks, Chinu Hooks, Jig Head Hooks, etc.)
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Wire for Textile Machinery
End products
- Latch needles
- Brushing and spinning machines
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Probe Card Pin
End products
- PCBs
- Touchscreens
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Pins for wire probes
End products
- Semiconductor devices
- Liquid crystal panels
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Dot Pins
End products
- Dot impact printers
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Ultrafine Spring Wire
End products
- Semiconductor-Related Components
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Polishing Wire
End products
- Optical Fiber Connection Components
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Silver Nanoparticles
End products
- Semiconductor chips
- Electronic substrates
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Medical Round Wire
End products
- Tubes and coils for catheter reinforcement
- Guide wire tip coils
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Medical Flat Wire and Shaped Wire
End products
- Tubes and coils for catheter reinforcement
- Coils for reinforcing endoscopes
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Straightened Wires and Tapered Wires
End products
- Guidewires
- Mandrels
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Torque Rope
End products
- Endoscopic instruments
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Spool wound Pre-Straightened Wire
End products
- Guide wires
- Suture needles
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Hollow Coil
End products
- Medical torque transmission devices
- Endoscopic instruments
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PTFE Coated Wire
End products
- Guide wires
- Mandrels
- Manufacturing Processes
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Product Information
- Technical Information
Steel Cord
What is Steel Cord?
Steel cords are reinforcing materials made by stranding several to several tens of filaments with a diameter of φ0.15–φ0.4 mm. The filaments are brass-plated to improve adhesion with rubber. Our products use high-purity high-carbon steel wire and offer excellent strength, flexibility, and fatigue resistance.
End-product applications
- Steel radial tires
（for passenger cars, trucks, buses, and so on） - Tires for extra-large construction machines
- Tires for crawlers
（for construction machines, farm equipment, and so on）
- Manufacturing Processes
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Product Information
- Technical Information
Hose Wire
What is Hose Wire?
Hose wire is a single wire with a diameter of approximately φ0.20 to just under φ1.0 mm, mainly used to prevent hose deformation under high-pressure conditions. Various wire diameters are selected depending on the service environment.
End-product applications
- Hoses for hydraulic machines
(for construction machines, for suction and discharge, and other applications)
- Manufacturing Processes
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Product Information
- Technical Information
Saw Wire
What is Saw Wire?
Saw wire is a high-carbon steel wire used in the production of silicon wafers for semiconductors. Saw wire with a diameter of φ0.10–0.15 mm is mainly used in the process of slicing monocrystalline silicon ingots into wafers.
End-product applications
- For slicing ingots
（mainly for silicon wafers for semiconductors）
- Manufacturing Processes
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Product Information
- Technical Information
Bead Wire
What is Bead Wire?
Bead wire is a bronze-plated wire with a diameter of approximately φ1.0–2.0 mm. It is wound around the tire–wheel interface in the circumferential direction and helps prevent tire detachment from the wheel and air leakage.
End-product applications
- Steel radial tires
（for passenger cars, trucks, buses, and so on） - Tires for aircraft
- Tires for racing two-wheelers
（for motorcycles, bicycles, and so on）
- Manufacturing Processes
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Product Information
- Technical Information
Music wire
What is Music wire?
Music wire is a high-quality steel wire with extremely high strength and toughness. It is produced by drawing high-carbon steel wire (containing 0.65–0.95% carbon) after a special heat treatment known as patenting.
End-product applications
- Components used in the engine area of construction machinery
- Switches for lighting
- Manufacturing Processes
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Product Information
- Technical Information
Spring Wire
What is Spring Wire?
Spring wire is a steel wire that is formed into a helical shape and used in machines and structures to store force, absorb impact, and return to its original position.
End-product applications
- Bicycle transmissions
- Clutches for washing machines
- Motion support for die components in press machines
- Toilet seat opening and closing mechanisms
- Manufacturing Processes
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Product Information
- Technical Information
Mainspring Wire
What is Mainspring Wire?
Mainspring wire is a steel wire used for mainsprings (spiral springs). It is typically a wide, non-round wire with a high width-to-thickness ratio. Our company also produces wide-profile wire with a flatness ratio (width/thickness) of nearly 30.
End-product applications
- Starters for power generators, lawn mowers, and so on
- Cord reels for vacuum cleaners
- Lift assistance for welfare vehicles
- Manufacturing Processes
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Product Information
- Technical Information
Piston Ring Wire
What is Piston Ring Wire?
Piston ring wire is steel wire used to manufacture rings installed in the pistons of internal combustion engines.
There are three types of piston rings: compression rings, second rings, and oil rings. Materials include high-carbon steel, low-alloy steel, and stainless steel.
End-product applications
- Various types of engines: pistons in internal combustion engines
（for passenger cars, trucks, buses, and two-wheelers）
（for construction machines, general-purpose machines）
- Manufacturing Processes
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Product Information
- Technical Information
Snap Ring Wire
What is Snap Ring Wire?
Snap ring wires are trapezoidal steel wires attached to shafts or holes to serve as a metal retaining ring to hold parts in place. We provide three types of snap ring wires: soft wires produced by rolling annealed wires, oil-tempered wires produced by oil-tempering rolled wires, and hard-drawn wires with strength improved by wire drawing and rolling.
End-product applications
- Automobile transmissions and shafts
- Bearings in industrial machines
- Movable parts in farm equipment and construction machines
- Rotating parts in home appliances and others
- Manufacturing Processes
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Product Information
- Technical Information
Fishing Hook Wire
What is Fishing Hook Wire?
Fishing hook wire is a steel wire used for fishing equipment, specifically for small hooks attached to the end of a fishing line. We manufacture a wide range of fishing hook wires, including low-carbon steel, high-carbon steel, and low-alloy steel.
End-product applications
- Various types of fishing hooks
（Gure hooks, Maru Seigo hooks, Chinu hooks）
（Ise-ama hooks, eyed hooks, jig head hooks）
（Treble hooks）
- Manufacturing Processes
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Product Information
- Technical Information
Wire for Textile Machinery
What is Wire for Textile Machinery ?
A latch needle is a special needle with a small hook (latch) at its tip, used in knitting machines to form yarn loops in knitted fabric production. Card wire is used to open fibers, align their direction, and raise a nap on the material.
End-product applications
- Latch needles: Machine knitting
- Card wires: Carding process in napping machines and spinning machines
- Manufacturing Processes
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Product Information
- Technical Information
Dot Pins
What is Dot Pins?
Dot pin that punches dots into materials such as metal, plastic, and paper for engraving characters, numbers, logos, and barcodes.
End-product applications
- Dot impact printers
（duplicate slips, ATM passbook updates, and so on）
- Manufacturing Processes
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Product Information
- Technical Information
Pins for wire probes
What is Pins for wire probes?
A probe made from ultra-fine wires of tungsten, high-speed steel, and other materials, produced by applying gold plating or an insulating coating. It is widely used for printed circuit board and semiconductor inspection.
End-product applications
- Various types of board inspections
（semiconductor devices, PCBs）
（liquid crystal panels, touch panels, and so on）
- Manufacturing Processes
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Product Information
- Technical Information
Probe Card Pin
What is Probe Card Pin?
A fine metal pin with a tapered tip, used in the testing process of semiconductor integrated circuits.
End-product applications
- Various types of board inspections
（semiconductor devices, PCBs）
（liquid crystal panels, touch panels, and so on）
- Manufacturing Processes
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Product Information
- Technical Information
Polishing Wire
What is Polishing Wire?
A high-precision wire used for polishing the inner diameter of ferrules used in fiber optic connections.
End-product applications
- For polishing the bores of ferrules
（parts for connecting optical fibers）
- Manufacturing Processes
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Product Information
- Technical Information
Ultrafine Spring Wire
What is Ultrafine Spring Wire?
A wire used for manufacturing extremely fine springs (approximately several tens to several hundreds of micrometers in diameter) for precision equipment and electronic components.
End-product applications
- Various types of precision equipment
（related to semiconductors or automobiles）
（communication equipment, office automation equipment）
（home appliances and other precision parts）
- Manufacturing Processes
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Product Information
- Technical Information
Silver Nanoparticles
What is Silver Nanoparticles?
Silver nanoparticles are fine silver particles with excellent electrical conductivity and thermal conductivity. They are used in various applications, including conductive pastes, adhesives for electronic equipment, and electrode materials for solar cells.
End-product applications
- Electrically conductive adhesives
- Thermally conductive adhesives
（for semiconductor chips, electronic substrates, and so on）
- Manufacturing Processes
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Product Information
- Technical Information
Medical Round Wire
What is Medical Round Wire?
A precision-processed round wire that serves as the base material for medical wire products. We offer medical round wires made mainly of stainless steel and various alloys, in a wide range of sizes (down to 0.010 mm) and tensile strengths.
End-product applications
- Tubes and coils for reinforcing catheters
- Guide wire tip coils
- Coils for reinforcing endoscopes
- Manufacturing Processes
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Product Information
- Technical Information
Medical Flat Wire and Shaped Wire
What is Medical Flat Wire and Shaped Wire?
A wire with various cross-sectional shapes such as rectangular, elliptical, semicircular, and crescent. Like round wire, it can be customized in shape and mechanical properties according to customer requirements, using stainless steel and various alloys as the main materials.
End-product applications
- Tubes and coils for reinforcing catheters
- Coils for reinforcing endoscopes
- Control wires
- Manufacturing Processes
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Product Information
- Technical Information
Straightened Wires and Tapered Wires
What is Straightened Wires and Tapered Wires?
A medical wire with high straightness, torque transmission, and machinability. Tapered processing is available upon request (minimum tip diameter: 0.030 mm). Both straight and tapered wires can be supplied in specified lengths.
End-product applications
- Guide wires
- Mandrels
- Endoscopic instruments
- Manufacturing Processes
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Product Information
- Technical Information
Torque Rope
What is Torque Rope?
A torque rope is a medical rope produced by stranding multiple wires. Torque ropes are mainly used in instruments for endoscopic procedures. In an endoscopic procedure, a torque rope can transmit torque and rotations from the doctor's hand to the tip without loss.
End-product applications
- Endoscopic instruments
- Manufacturing Processes
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Product Information
- Technical Information
Spool wound Pre-Straightened Wire
What is Spool wound Pre-Straightened Wire?
A medical wire with high-precision straightness that can be used directly by unwinding it from a bobbin. It can be cut to the desired length and used immediately, as it is supplied with high straightness, as well as the required sizes (0.15–0.40 mm) and mechanical properties.
End-product applications
- Guide wires
- Mandrels
- Suture needles
- Manufacturing Processes
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Product Information
- Technical Information
Hollow Coil
What is Hollow Coil?
A hollow coil composed of round wire as well as flat and shaped wires, formed in various layer and strand configurations (up to 3 layers and 16 strands). The coil can be custom-designed to meet required properties such as rigidity, flexibility, torque transmission, and rotational responsiveness.
End-product applications
- Medical torque transmission devices
- Medical rotational transmission devices
- Endoscopic instruments
- Manufacturing Processes
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Product Information
- Technical Information
PTFE Coated Wire
What is PTFE Coated Wire?
A wire coated with a fluororesin called PTFE (polytetrafluoroethylene). We perform in-house integrated production from wire manufacturing to coating and can apply coatings to various types of wires according to customer requirements.
End-product applications
- Guide wires
- Mandrels