---
description: Richard Mille 5490 2.5mm precision screwdriver for RM case screws. Professional-grade tool for watchmakers. Essential for Richard Mille service.
title: Richard Mille 5490 Screwdriver 2.5mm - Sofly
image: https://www.soflypart.com/wp-content/uploads/2021/04/DSC06378-1.jpg
---
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- **Richard Mille 5490 Screwdriver 2.5mm**
[](https://www.soflypart.com/wp-content/uploads/2021/04/DSC06378-1.jpg)
[](https://www.soflypart.com/wp-content/uploads/2021/04/DSC06426.jpg)
# Richard Mille 5490 Screwdriver 2.5mm
$16.00
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## Product Description
The Richard Mille 5490 Screwdriver (2.5mm) is a professional-grade spline tool designed specifically for servicing Richard Mille case screws. Engineered to fit proprietary RM spline screws, it provides secure and precise torque transfer, ensuring safe maintenance of case assemblies, bezels, and bracelets. An essential tool for watchmakers requiring high-accuracy work on luxury timepieces.
## Features & Function
- Spline (5-point/pentagonal) tip – ensures exact fit and prevents slippage
- 2.50 mm blade size – perfectly matched to Richard Mille case screws
- High-strength carbon steel blade for durability and precision
- Ergonomic handle design provides optimal control and comfort
- Professional-grade quality trusted by watchmakers
## Specifications
| Parameter | Value |
| --- | --- |
| Model | Richard Mille 5490 |
| Tip Type | Pentagonal (5-point / Spline) |
| Blade Diameter | 2.50 mm |
| Blade Material | Carbon steel |
| Primary Use | Case screws, bezels, and bracelets |
## Applications
- Servicing Richard Mille case screws (RM011, RM035, RM055, etc.)
- Adjusting bezels, case backs, and bracelets
- Professional workshops and authorised service centres
- Strap replacement and general maintenance
## Frequently Asked Questions
**Q1: Is this an authentic Richard Mille tool?**
Yes, it is a genuine original equipment manufacturer (OEM) tool.
**Q2: Which screw head shape does it fit?**
It fits the Richard Mille proprietary pentagonal (5-point / spline) case screws.
**Q3: Is this tool compatible with the 5490 movement?**
No. The 5490 model number refers to the screwdriver itself, not a movement. It is compatible with multiple RM case sizes featuring 2.5mm screws.
## Why Choose SOFLY Watch Parts?
- Fast worldwide shipping within 3 business days.
- Competitive pricing on Seiko/Hattori calibers.
- 3,000+ watch movements and parts in stock.
- Trusted by watchmakers worldwide.
- Personalized sourcing support via **info@soflypart.com** or WhatsApp **+86 18620212114**.
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