Soldering Irons
Solder iron range for clean, controlled joints on wiring, terminals and small repairs, without cooking insulation or chasing cold joints all day.
When you're doing electrical fixes, small fabrication, or bench repairs, a decent solder iron saves you time and call-backs. Choose an electric soldering iron for steady bench work, or a battery soldering iron when you're moving around site and can't rely on a socket. Pick the right wattage and tip for the job and your joints will flow properly, not blob up.
What Are Solder Iron Kits Used For?
- Repairing and extending low-voltage wiring on alarms, CCTV, comms and control gear where a crimp is bulky or unreliable.
- Tinning cable ends and soldering connectors on bench work so strands do not fray and terminals stay tight over time.
- Fixing broken joints on small electronics and site kit like chargers, torches and testers when a replacement is not on hand.
- Working in awkward spots with a battery soldering iron where trailing leads are a trip hazard or there is no power nearby.
- Doing neat heatshrink and cable dressing after soldering so the repair is insulated properly and does not rub through in a trunking run.
Choosing the Right Solder Iron
Match the solder iron to what you're heating up, not what looks biggest on the shelf.
1. Wattage and heat recovery
If you're on fine wires and small terminals, lower wattage with a small tip helps you stay controlled and avoid melting insulation. If you're on thicker conductors or chunky lugs, step up the wattage so the tip recovers fast and you are not holding heat on the joint for ages.
2. Battery soldering iron vs electric soldering iron
If you're bench-based or doing repeat joints, an electric soldering iron gives steadier run time and consistent heat. If you're fault-finding around a building, in a loft, or out by a gate motor, a battery soldering iron is the one you actually end up using because it is ready without hunting for power.
3. Tip shape and size
Use a fine conical tip for small pads and tight terminals, and a chisel tip when you need better contact area for faster heat transfer. The wrong tip is what causes cold joints and scorched insulation, even with the right wattage.
4. Plumbing soldering kit vs electrical soldering tools
Do not confuse a solder iron with a plumbing soldering kit for copper pipework. If you are sweating fittings, you want the proper plumbing tools and equipment for pipe, not a small iron that cannot put the heat into the fitting properly.
Who Uses Solder Iron Tools?
- Sparkies and fire and security installers for quick, tidy joints on small-gauge wiring, especially in panels and back boxes.
- Maintenance engineers and plant fitters for on-the-spot repairs to leads, sensors and connectors when downtime is the real cost.
- Auto electricians and van fit-out teams for looms, accessories and repairs where vibration can work loose a poor connection.
- DIYers doing careful electronics fixes, as long as you match the wattage and tip size to the work and do not overheat components.
The Basics: Understanding Solder Iron Heat Control
Good soldering is about getting the joint up to temperature quickly, flowing solder cleanly, then getting off it before you cook the surrounding materials.
1. Heat transfer beats raw temperature
A tip that fits the work transfers heat properly, so solder wets the joint instead of balling up. If you are waiting ages for solder to melt, you are usually using the wrong tip or too little power for the mass you are heating.
2. Power is for recovery, not burning
Higher wattage does not mean you should scorch everything, it means the iron can keep its heat when it touches a bigger joint. That is what stops you lingering on the work and damaging insulation, pads, or plastic housings.
3. Cordless convenience has limits
A battery soldering iron is ideal for quick repairs and awkward access, but for long sessions or repeated joints, mains power is still the easier way to keep consistent heat without stopping to recharge.
Your Solder Iron Range, Ready to Go
Whether you need a simple electric soldering iron for bench repairs or a battery soldering iron for moving around site, we stock the sizes and types that actually get used. It is all held in our own warehouse, in stock and ready for next day delivery.
Solder Iron FAQs
Can I use a soldering iron for jewelry?
Yes, for small jewellery repairs and fine work it can be used, but it is a different game to wiring. You will want a fine tip and good temperature control, and you need to keep heat tight to the joint so you do not mark surrounding metal or finishes.
Which is better, 30W or 60W soldering iron?
Neither is "better" across the board. 30W suits lighter gauge wires and small electronics where you need control, while 60W is better when the joint has more mass and you need faster heat recovery. The wrong choice is the one that makes you sit on the joint for too long.
Can a soldering iron be used like a welder?
No. A solder iron is for soldering, not welding, and it will not fuse steel or structural metals. It is for electrical joints and small metal-to-metal joins where solder is the filler, not for load-bearing repairs.
Is a battery soldering iron powerful enough for proper site repairs?
For most wiring repairs and connector work, yes, it is more than enough and it is often the quickest option when you are mobile. For long sessions, repeated joints, or heavier conductors, a mains electric soldering iron is still the steadier choice.
Is a solder iron the right tool for copper pipework and plumbing repairs?
Not really. If you are doing copper pipe joints, you want a proper plumbing soldering kit designed to heat fittings evenly. A solder iron is for electrical and light-duty work and will struggle to put enough heat into pipe and fittings without dragging the job out.