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Solder Wire Manufacturer in India

Harsh Solders is a leading solder wire manufacturer and supplier in India, offering premium-quality soldering materials trusted by industries ranging from electronics and electricals to automotive and engineering sectors. Our solder wires are crafted with precision and tested for performance, ensuring every joint is clean, strong, and durable.

About Our Solder Wire

We manufacture both lead-free and leaded solder wires in multiple alloy compositions to meet various industrial standards. Our wires are produced using high-grade raw materials, ensuring smooth flow, excellent wetting, and minimal spatter during soldering. Whether for hand soldering, automated assembly, or repair work — Harsh Solders provides a product suited to your specific application.

Technical Specifications

  • Type: Leaded / Lead-Free
  • Composition: Tin/Lead (60/40, 63/37) or Tin/Silver/Copper alloys
  • Flux Core: Rosin-based, non-corrosive
  • Diameter Options: 0.5mm to 3.0mm
  • Melting Point: 180–220°C (depending on alloy)
  • Packing: Spools of 250g, 500g, and 1kg
Solid Wire

We manufacture all type of solid solder wires including lead free with state of the art technology and world renowned quality, available in up to 22SWG, which are used in lighting and capacitor industries. Pack size available: 500gm / 3 kg / 4 kg spools. It can be given as per customer requirements.

Flux-cored Solder Wire
Flux-cored solder wire are widely used for electronics soldering, various choices for core-fluxes are available to suit the needs of different applications. Harsh Solders produces cored-wires with rosin-based and water soluble core-fluxes. All the fluxes are formulated in conformance to international specifications. Please refer to the table for the selection of core-fluxes.

Multi cored Solder Wire
Solder splatters during hand soldering operation are widely experienced in the electronics industries. To overcome this, Harsh Solders has developed a unique type of solder wire with multi core.

:: Solder wire is available in Super Reflective Solder Alloy ::

 




Industry standard solder alloys are listed in the above table. Other solder alloys may also be available. Alloy selection is determined by melting temperature and application.
 
Flux Core Types
Diameter (Inches) Gauge Diameter (mm) Standard
0.157 9 3.962 *
0.141 10 3.581  
0.125 11 3.175 *
0.109 12 2.769  
0.093 13 2.362 *
0.083 14 2.108  
0.072 15 1.829  
0.062 16 1.575 *
0.058 17 1.473  
0.050 18 1.270 *
0.040 19 1.016 *
0.035 20 0.889  
0.032 21 0.813 *
0.025 22 0.640  
0.020 23 0.500  
 

Performance You Can Rely On

Our solder wires are designed for consistent feed and superior bonding performance. The uniform flux distribution allows smooth solder flow, reducing residue and ensuring clean joints with excellent conductivity. Each spool undergoes quality testing to meet international reliability and safety standards.

Applications

  • PCB assembly and component soldering
  • Electrical appliance manufacturing
  • Automotive electronics
  • Repair and maintenance work
  • Precision soldering for engineering projects

Why Choose Harsh Solders?

  • Consistent soldering results with smooth flow and strong bonds
  • Available in multiple alloys and diameters
  • Eco-friendly and RoHS-compliant options available
  • Competitive pricing and prompt delivery across India
  • Technical support and product guidance for every client

Your Trusted Solder Wire Supplier in India

At Harsh Solders, we believe reliability begins at the joint. With decades of industry experience and a commitment to quality, we deliver soldering solutions that help manufacturers achieve superior performance and production efficiency.

Looking for a reliable solder wire supplier?
Request a quote or contact us today for expert advice.