Original 25ml Steel Soldering Flux – Sky Bolt Liquid Soldering Flux for Steel, Copper, and Brass – Ideal for 18650 Battery Spot Welding Work

Description

The Original 25ml Steel Soldering Flux by Sky Bolt is a high-performance liquid flux designed for steel, copper, brass, and nickel surfaces. It provides excellent wetting and cleaning action, making soldering easier, stronger, and more reliable — especially for DIY electronic projects, metal repairs, and 18650 lithium battery welding where clean and strong joints are essential.

Unlike ordinary soldering pastes, this Sky Bolt Liquid Flux enables smooth and solid solder joints without the need for a spot welding machine, offering a cost-effective and convenient solution for battery pack assembly, circuit repair, and metal joining tasks.

⚙️ Key Features:

✅ High-Quality Metal Soldering Flux:
Formulated for steel, copper, and brass surfaces, ensuring quick and even solder flow with minimal residue.

✅ No Need for Spot Welding Machine:
Easily solder 18650 lithium-ion cells using this flux — it cleans the surface and allows strong solder adhesion without requiring a spot welder.

✅ Powerful Cleaning Action:
Removes oxidation and impurities from the metal surface, improving electrical conductivity and solder grip.

✅ Liquid Formula – Easy to Apply:
Comes in a 25ml bottle with controlled flow, perfect for precision soldering or applying small amounts to sensitive components.

✅ Strong and Reliable Joints:
Ensures long-lasting mechanical and electrical bonding suitable for DIY, repair work, and professional use.

✅ Multi-Metal Compatibility:
Can be used on steel, copper, brass, and nickel — ideal for electrical, automotive, and industrial soldering jobs.

✅ Safe & Efficient:
Non-corrosive when cleaned properly and delivers stable, clean solder joints with minimal smoke or residue.

🧰 Applications:

• 18650 lithium battery pack soldering

• Circuit board repairs and modifications

• Electrical and mechanical metal joining

• DIY electronics and school projects

• Soldering copper wires, brass joints, and steel plates

This product is widely trusted by technicians, hobbyists, and professionals for its clean finish and strong bonding performance.

💡 How to Use:

1. Clean the surface before soldering.

2. Apply a small amount of Sky Bolt Liquid Soldering Flux to the area.

3. Heat with a soldering iron and apply solder wire.

4. Wipe off any excess residue after cooling for best results.

🏆 Why Choose Rafiq Electronics Products:

At Rafiq Electronics, we provide only original, high-quality tools and materials for soldering and DIY electronics. The Sky Bolt 25ml Liquid Flux ensures safe, efficient, and long-lasting results — perfect for hobbyists and professionals alike.

Whether you’re building a lithium battery pack, repairing a power supply, or working on PCB joints, this flux delivers professional-grade soldering performance every time.