The efficiency of Cold Heading Process is determined by the quality of coating agent used in stainless wires. Developed by KOS, Eco-friendly Green Coating (G-Co) is recognized as the highest quality coating agent as well as being appraised for its excellent formability.  
 
Applications
Bolt / Mechanical Bolt / Rivet / Blind Rivet / Screw / Tapping Screw / Nail / Washer  
  

 
Grade
302HQ, 304, 304Cu, 304J3, 305J1, 316, 316L, KOS 92, 410, 430, 434Cu, XM-7 
 
Diameter
0.8 mm ~ 13.0 mm  
 
Surface
WSA, WSB,  
 
Strength
Br, X-Co, Cu-Co, G-Co, Cu-Mo  
 
Packing
Coil (12 inch ~ 32 inch), Carrier (16 inch~ 32 inch),  
 
Standard
ASTM A439, JIS G4315, KS D3703, SAE J405  
  
 

KOS weaving wire is produced with the highest quality raw materials, precise dies management and consistent annealing techniques, making it the best choice for high-tech material parts and ultra-fine printing mesh production.  

Applications 
LCD TV Panel / Printing Mesh / Refined Oil Filter / Industrial Mesh / Pharmaceutical Filter / Metal Fabric / Kitchenware  
  

 
Grade
304, 304L, 309S, 310S, 314, 316, 316L, 316Ti, 317L, 321, 430  
 
Diameter
0.025 mm ~ 0.80 mm  
 
Surface
T/S : 500 N/㎟ ~ 1100 N/㎟     Elongation : 10 % ~ 45 %  
 
Strength
Br,  
 
Packing
Spool (MF 40~ 50, DIN 80 ~ DIN 250, PT 15~90, PL 2~8, P5 )  
 
Standard
DIN/ISO 4782, EN 10264-4, AMS 5697B, ASTM A478, UNS S31608, DIN 4186  
  
 

To increase production efficiencies of using the latest high-speed braiding machines, KOS produces a specially lubricated braiding wire that is specifically designed to meet each customers’ quality and packing requirements.  
 
Applications
Automotive Bellows / Reinforced Hose / Sanitary Hose / Industrial Ventilator  
  

Grade 
304, 316 
 
Diameter
0.10 mm ~ 0.60 mm  
 
Surface
T/S : 780 N/㎟ ~ 950 N/㎟     Elongation : 25 % ~ 35 %  
 
Strength
Br,  
 
Packing
Spool ( DIN 125 ~ DIN 250, PT90 )  
 
Standard
DIN/ISO 4782, EN 10264-4, AMS 5697B, ASTM A478, UNS S31608, DIN 4186  
 

In accordance to development of knitting techniques that require higher elongation and toughness, KOS produces high performance knitting wires. Special lubrication on the surface of knitting wires is suitable for high-speed knitting process which guarantees increase in productivity.  
 
Applications
Airbag Inflator Filter / Demister / Industrial Filter / Automobile Exhaust System  
  

Grade
304, 304L, 316, 316L, 310S 
 
Diameter
0.10 mm ~ 0.60 mm  
 
Surface
T/S : 780 N/㎟ ~ 950 N/㎟      Elongation : 25 % ~ 35 %  
 
Strength
Br,  
 
Packing
Spool ( DIN 125 ~ DIN 200, PT90 )  
 
Standard
DIN/ISO 4782, EN 10264-4, AMS 5697B, ASTM A478, UNS S31608, DIN 4186  
 

The material choice for precise electronic parts must be adjusted based on user’s working environment and amount of magnetism in the metal. KOS free cutting wire guarantees excellent roundness, consistent surface hardness and clean surface which will increase the productivity of consumers.  

Applications 
Printer / Medical Equipment / Gas Equipment / Fascimile / Vending Machine / Micro Motor Shaft / Refrigerator / Oil Pressure Valve / Mobile Phone  
  

Grade
303, 303C, 303F, 303H, 303N, 410, 410C, 416, 420F, 420J2, 440B, 440C, KOS-92  
 
Diameter
0.80 mm ~ 7.5 mm  
 
Surface
W1, 1/8H, 1/4H, FH  
 
Strength
Br,  
 
Packing
Coil( 12 inch ~ 32 inch), Carrier( 24 inch ~ 32 inch), Straightness(2.0 ~ 2.5 Meter)  
 
Standard
Buyer’s Specification  
 

Since stainless general purpose wire requires advanced processing technique in various applications, meeting customers’ tensile strength, elongation and surface brightness is must for manufacturing the highest quality product.  
 
Applications
Wire Belt / Bearing Ball / Glasses Frame / Spoke Wire / System Plug / Mesh Belt / Reed / Gauge Wire / Dye Spring / Forming / Hanger for Coating / Stapler / Watch Band / Oil Well Screen / Scrubber / Fishing Hook / Kitchenware / Insert Thread / Acupuncture needle / Brush / Vinyard Wire / Redrawing / Washer  
  

Grade
201, 201Cu, 204Cu, 304L, 304H, 304M, 310S, 314, 316, 316L, 420J2, 430, 434A  
 
Diameter
0.40 mm ~ 7.0 mm  
 
Surface
W1, 1/8H, 1/4H, 1/2H, 3/4H, FH  
 
Strength
Br,  
 
Packing
Coil( 8 inch ~ 24 inch), Carrier( 16 inch ~ 32 inch)  
 
Standard
ASTM A580, BS 1554, JIS G4309, DIN 671, JIS G4308, KS D3703  
  
 

Mainly used for torsion springs and medical uses, straightened wires' core character is uniformed straightness in its full length. 
KOS produces the wires by annealing process in the clean,separate atmosphere.  

Applications
Torsion Spring / Lancet(Blood Glucose Tester) / Acupuncture needle  
  

Grade
302, 304, 304N1(Non-magnetic ) 
 
Diameter
0.18 mm ~ 0.70 mm  
 
Surface
WPDS, WPBS  
 
Strength
Br  
 
Packing
Coil (6 inch ~ 10 inch), Spool ( BP25 )  
 
Standard
JIS G4314