Description
Overview:
This Screw IHSCT is a genuine Husqvarna fastener designed for heavy‐duty use in professional and domestic cutting equipment. Manufactured from durable steel with a protective finish, it provides secure, repeatable clamping of critical components within compatible machines, helping maintain alignment, vibration resistance, and overall reliability. It is intended for Husqvarna chainsaws and power cutters, including models such as the 395 XP EPA and 288. As a direct replacement with manufacturer reference 503 21 05 22 (also shown as 503210522), it fits precisely where specified by the OEM, restoring the correct thread engagement and head profile. Ideal for maintenance and repairs, this screw supports safe operation by replacing worn, rounded, or missing fixings with the correct genuine part, ensuring parts remain correctly seated under load.
Key Features:
- Genuine Husqvarna part for assured fit and compatibility
- Steel construction with protective coating for long service life
- Precision thread and head profile for consistent torque and secure seating
- Countersunk head with internal drive for a flush, snag‐free finish where specified
- Resists loosening under vibration when installed to the correct torque
- Direct replacement for OEM reference 503 21 05 22 / 503210522
- Supports reliable maintenance of professional saws and cutters
- Suitable for routine servicing or like‐for‐like replacement during repairs
Typical Applications:
Used to fasten specified components on Husqvarna chainsaws and power cutters, such as covers, guards, housings, and structural fittings. Ideal when refurbishing machines, replacing missing or damaged screws, or restoring original hardware to maintain correct assembly and consistent performance in demanding cutting environments.
Also known as:
Retaining screw, fixing screw, countersunk machine screw, IHSCT fastener, OEM screw, countersunk hardware, star‐drive screw, service screw, replacement fastener.
Fits Models:
281, 281XP, 288, 288XP, 3120XP, 362XP, 371K, 371XP, 375K, 394XP, 395 XP EPA, 395XP, 395XPEPA, K950, K950 Chain, K950 Rescue, K950 Ring, K950Chain
Alternate Part Numbers:
503 21 05-22, 503210522
Product Specifications
| L&S Part No. | 503 21 05 22 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 503210522 |
| Unit of Sale | 1 |
| Applications | 281, 281XP, 288, 288XP, 3120XP, 362XP, 371K, 371XP, 375K, 394XP, 395 XP EPA, 395XP, 395XPEPA, K950, K950 Chain, K950 Rescue, K950 Ring, K950Chain |
| Machine Type | Chainsaws, Disc Cutters |
| Fits Brands | Husqvarna |
| Fits Models | K950 | K950 Rescue | K950 Ring | 281 | 281XP | 288 | 288XP | 3120XP | 362XP | 371XP | 394XP | 395XP | 371K | K950 Chain | 375K |
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