






⚡ Solder smarter, not harder — join the pros who never settle for less!
This 63-37 tin-lead rosin core solder wire offers a precise 0.8mm diameter and a low melting point of 183°C, ensuring smooth flow and strong, reliable electrical connections. Perfectly sized at 50g for portability, it’s engineered for professional-grade circuit board repairs, DIY projects, and home electronics maintenance. Backed by a trusted formula and a satisfaction guarantee, it’s the go-to choice for millennial managers who demand efficiency and quality in every fix.




| ASIN | B075WB98FJ |
| ASIN | B075WB98FJ |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #1,638 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Electrical Wire |
| Color | 0.8mm 50g |
| Customer Reviews | 4.6 4.6 out of 5 stars (20,534) |
| Customer reviews | 4.6 4.6 out of 5 stars (20,534) |
| Date First Available | 19 January 2018 |
| Date First Available | 19 January 2018 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 54.4 g |
| Item model number | JF850 |
| Item model number | JF850 |
| Manufacturer | Shenzhen Joycefook Technology Co., Ltd |
| Manufacturer | Shenzhen Joycefook Technology Co., Ltd |
| Material | tin |
| Part number | JF850 |
| Product Dimensions | 5.51 x 3 x 5.51 cm; 54.43 g |
| Product Dimensions | 5.51 x 3 x 5.51 cm; 54.43 g |
M**A
وايد زين
W**L
good quality
it does the job.
A**E
Excellent.
Excellent.
M**O
Performance & Use: The MAIYUM 63-37 tin-lead rosin core solder wire is high quality and easy to work with. It flows smoothly and creates strong, reliable joints for all types of electronic repairs. Ease of Use: The wire heats and melts evenly, making soldering precise and controlled. It works well with both small components and larger connections. Durability & Reliability: I’ve used it on multiple electronic projects, and there have been no issues with connectivity or joint strength. The rosin core helps ensure good adhesion and a clean finish. Final Verdict: If you need reliable, high-quality solder for electronics, this MAIYUM wire delivers. Easy to use, dependable, and perfect for repairs or custom projects.
A**.
fast delivery
R**N
Works wonderfully as it should
M**A
I don't know why the price is so low for this lead rosin core solder. I love the size for circuit boards and it works well. No issues.
N**N
Works as intended.
Trustpilot
2 months ago
1 month ago