Description
Overview:
The Allen Key 4 mm T-handle Hex is a genuine Husqvarna part (MPN 502 50 18-01 / 502501801) designed for precise tightening and loosening of 4 mm internal-hex fasteners, commonly found across outdoor power equipment and construction machinery. Built with a hardened steel blade and an ergonomic composite T-handle, it delivers dependable torque and control for assembly, adjustment, and maintenance tasks. The T-handle layout helps apply even force while reducing hand strain, making it suitable for frequent use in workshops and on-site. As an OEM Husqvarna tool, it offers consistent fit and performance with fasteners on Husqvarna machinery such as chainsaws and brushcutters, while remaining equally useful across general-purpose tooling and DIY projects requiring a robust 4 mm hex driver.
Key Features:
- Genuine Husqvarna OEM part for assured quality and consistency
- 4 mm hex size for fasteners with a 4 mm internal hex (commonly M5 socket screws)
- Hardened steel blade for strength and long service life
- Ergonomic T-handle for higher torque with better grip and control
- Comfortable composite handle reduces hand fatigue during repeated tasks
- Compact T-bar profile improves leverage in tight or awkward spaces
- Suitable for workshop, site, and home maintenance use
- Clearly defined size for quick identification in toolkits
Typical Applications:
Used for assembly, adjustment, and maintenance of equipment using 4 mm internal-hex fasteners, including outdoor power tools, garden machinery, and light construction equipment. Ideal for tasks such as fitting guards, setting components, changing accessories, and securing socket head cap screws on machinery, fixtures, and jigs in both professional and DIY settings.
Also known as:
Allen wrench 4 mm, hex key 4 mm, T-handle hex driver 4 mm, T-bar hex key, internal-hex driver, socket key, 4 mm driver for socket head cap screws.
Alternate Part Numbers:
502 50 18-01, 502501801
Product Specifications
| L&S Part No. | 502 50 18 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 502501801 |
| Unit of Sale | 1 |
| Fits Brands | Husqvarna |
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