Can it be used on brass

It is ok to use this solder for the brass, But this solder is very fine, the diameter is 0.01 in / 0.3mm solder wire, If you soldering a big brass, you should use larger solder wire, such as 1.0mm or 1.5mm solder wire

does this can be used to solder aluminium wires ?

Yes, this fine electrical solder wire can be used to soldering the aluminum wires, The solder wire diameter is 0.01inch / 0.3mm, very thin solder wire, It is mainly for electronics soldering for components or wires

Can this be coiled around toothpicks without straightening back?

Yes. It will probably relax some.

Can I use this with soldering iron to repair keychain?

This is super thin that is ideal for working of soldering on motherboards. May need to find a larger size solder wire.

0 3mm 50g | Desertcart PAKISTAN

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₨12733

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Sold byAmazon PAKISTANDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Solder smarter, not harder — precision meets performance!

RAPID MELT TECHNOLOGY - Melts quickly at 419°F (217°C), compatible with all soldering tools to speed up your workflow.
VERSATILE APPLICATION - Ideal for electronics repair, DIY projects, manufacturing, and fine soldering studies.
LEAD FREE ECO FRIENDLY - Safe for home, office, and professional use without compromising performance or health.
PREMIUM ALLOY COMPOSITION - Sn99 Ag0.3 Cu0.7 formula ensures excellent electrical conductivity and reliable joints.
PINPOINT PRECISION SOLDERING - Ultra-thin 0.01in diameter wire perfect for delicate MSD pads and microelectronics.

This 50g spool of ultra-thin 0.01in (0.3mm) lead-free solder wire features a rosin core flux 2.5% and a premium Sn99 Ag0.3 Cu0.7 alloy. It melts rapidly at 217°C, ensuring fast, clean, and reliable solder joints ideal for fine electronics work, repairs, and manufacturing.

Specifications

Asin	B07VT4MLD1
Batteries Included	No
Batteries Required	No
Best Sellers Rank	222,208 in DIY & Tools (See Top 100 in DIY & Tools) 156 in Solder
Colour	Silver
Customer Reviews	4.6 4.6 out of 5 stars (8) 4.6 out of 5 stars
Date First Available	29 July 2019
Included Components	0.3mm solder wire LeadFree
Item Model Number	EST-SW35-0.3LDF50
Item Package Quantity	1
Item Weight	50 g
Manufacturer	Enersystec Electric Co.,Ltd
Material	lead
Part Number	EST-SW35-0.3LDF50
Power Source	ac
Product Dimensions	2.8 x 2.8 x 5.5 cm; 50 g
Size	Thin Gauge
Special Features	1. Ultra-thin 0.01inch diameter, Rosin Core, Flux 2.5%, Flow well, Lead Free Solder Wire

Reviews

D**L

Great soldering wire

Great soldering wire, melts very well amd is very thin.

18.02.2026

M**N

Well priced, good quality.

Very well priced, good quality, lead free soldering wire; the diameter is perfect for mobile phone circuitry micro soldering, and is easy to use. 5*****

30.11.2025

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