---
product_id: 608120600
title: "0.4mm Soldering Wire Flux Lead Solder Wire, Tin Speed, High Mobility, Spot Bright and Full"
brand: "rubik"
price: "¥12617"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/608120600-0-4mm-soldering-wire-flux-lead-solder-wire-tin-speed
store_origin: JP
region: Japan
---

# Fast welding speed 0.4mm wire Bright, full solder joints 63% Tin, 37% Lead alloy 0.4mm Soldering Wire Flux Lead Solder Wire, Tin Speed, High Mobility, Spot Bright and Full

**Brand:** rubik
**Price:** ¥12617
**Availability:** ✅ In Stock

## Summary

> ⚡ Solder smarter, not harder — shine bright with every joint!

## Quick Answers

- **What is this?** 0.4mm Soldering Wire Flux Lead Solder Wire, Tin Speed, High Mobility, Spot Bright and Full by rubik
- **How much does it cost?** ¥12617 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/608120600-0-4mm-soldering-wire-flux-lead-solder-wire-tin-speed)

## Best For

- rubik enthusiasts

## Why This Product

- Trusted rubik brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Optimized Alloy Mix:** 63% Tin and 37% Lead for superior flow and adhesion
- • **Rapid Heat Response:** Speeds up your workflow with fast melting and solidifying
- • **Low Melting Rosin Core:** Ensures clean, spatter-free joints every time
- • **Trusted Quality Control:** Manufactured under strict GB3131-82 standards for reliability
- • **Precision 0.4mm Diameter:** Ideal for detailed, high-mobility soldering tasks

## Overview

This 0.4mm soldering wire features a high-quality 63% tin and 37% lead alloy with a rosin flux core, delivering fast welding speed, bright and full solder joints, and minimal spatter. Manufactured in the USA under strict quality standards, it’s perfect for electronics professionals and maintenance experts seeking precision and efficiency.

## Description

0.4mm Soldering Wire Flux Lead Solder Wire, Tin Speed, High Mobility, Spot Bright and Full

## Features

- High tin content, full solder joints and good soldering ability. Tin(Sn): 63% and Lead(Pb): 37%, CJ(Flux): 0.05%, Expansion 75%, Flux 1.0-3.0%
- Contains rosin with low melting point and continuous core
- Suitable for the majority of maintenance masters
- Using raw materials, in strict accordance with GB3131-82 requirements in the process of selecting materials, standard process flow is adopted for raw material smelting, mixing, inspection and infusion.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Rubik |
| Country of Origin | USA |
| Item part number | RB-907SI-01 |
| Package Dimensions | 7.11 x 7.11 x 3.56 cm; 40 g |
| ASIN | B08MYVPD4C |

## Images

![0.4mm Soldering Wire Flux Lead Solder Wire, Tin Speed, High Mobility, Spot Bright and Full - Image 1](https://m.media-amazon.com/images/I/61BRMNwyC6L.jpg)

## Available Options

This product comes in different **Style Name** options.

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**Shop now:** [https://www.desertcart.jp/products/608120600-0-4mm-soldering-wire-flux-lead-solder-wire-tin-speed](https://www.desertcart.jp/products/608120600-0-4mm-soldering-wire-flux-lead-solder-wire-tin-speed)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-27*