Written by 
Introducing the Rabbitfix 0.3mm/0.4mm Grinding Needle Ultra‑fine High Hardness Ball Needle – the precision tool every mobile‑phone technician needs. Designed with a 2.35 mm ultra‑hard ball tip, this needle delivers flawless engraving, micro‑drilling, and surface finishing on the smallest electronic components.
Key Highlights
- Ultra‑fine grinding tips in 0.3 mm and 0.4 mm diameters for pinpoint accuracy.
- High‑hardness 2.35 mm ball needle ensures long‑lasting wear resistance.
- Ideal for mobile phone repair, PCB trimming, glass engraving, and delicate component shaping.
- Ergonomic handle reduces hand fatigue during prolonged use.
- Compatible with most standard rotary tools and micro‑drill stations.
Why Choose Rabbitfix?
Rabbitfix combines premium materials with meticulous engineering to give you a tool that stays sharp after thousands of uses. Whether you’re repairing a cracked screen, engraving a serial number, or cleaning tiny solder joints, this grinding needle provides the control and durability professionals trust.
Specifications
- Tip diameters: 0.3 mm / 0.4 mm
- Ball needle diameter: 2.35 mm
- Material: High‑hardness tungsten carbide alloy
- Length: 120 mm total (including ergonomic grip)
- Compatibility: Standard 1/8″ (3 mm) shank for rotary tools
- Package: 2 needles (0.3 mm & 0.4 mm) in a protective case
Perfect For
- Mobile phone screen and frame repairs
- Micro‑engraving on glass, metal, and plastic
- PCB trace removal and component cleaning
- Jewelry and watchmaking fine work
- DIY hobby projects requiring ultra‑fine precision
How to Use
1. Secure the needle in a compatible rotary tool.
2. Set the speed to a low‑to‑medium range (2,000–4,000 RPM) for optimal control.
3. Gently apply pressure and let the high‑hardness ball tip do the work.
4. After use, clean the tip with a soft brush and store in the included case.
Upgrade your repair kit with the Rabbitfix 0.3mm/0.4mm Grinding Needle and experience unmatched precision, durability, and performance on every job.
Price: $ 3.90