The Husqvarna 503221011 Hexagon Nut is a genuine OEM fastener designed for a wide range of Husqvarna power cutters and wall saws, including the K770, K970, K1270, K760, K750, K950, K540, WS220, and WS8. As a factory-original component, this nut is manufactured to Husqvarna's exact tolerances, ensuring a secure, properly torqued connection wherever it is used in the assembly. DHS Equipment supplies this part to help keep your equipment running and your work on schedule. Cross-reference part number 503221011 against your parts diagram to confirm the correct fitment before ordering.
Key Features
- Genuine OEM Fastener Grade — Manufactured to Husqvarna's exact material and dimensional specifications, ensuring the correct thread engagement, torque retention, and load-bearing capacity for this application.
- Drop-In Replacement — This nut installs directly in place of the original hardware with no rework or adjustment to mating components needed.
- Broad Cross-Family Fitment — Compatible with Husqvarna K-series power cutters (K540, K750, K760, K760II, K950, K950Rescue, K960, K970, K1270, K1270R) and WS-series wall saws (WS8, WS220).
- Secure Clamping Performance — A correctly spec'd nut maintains proper clamping force on critical assemblies; an incorrect or worn fastener can allow components to loosen under the high vibration loads these machines generate.
- Operational Safety — On power cutters and wall saws, fastener integrity is directly tied to safe machine operation — using the correct OEM nut ensures assemblies stay torqued to specification under demanding cutting conditions.
A hexagon nut is a standard threaded fastener used to clamp and secure components within a machine's assembly. On high-vibration equipment such as power cutters and wall saws, fasteners are subjected to constant mechanical stress, and using a nut with the correct thread pitch, material grade, and dimensional profile is essential to maintaining a reliable joint. When a fastener fails or is replaced with an incorrect substitute, it can cause components to shift or loosen, leading to accelerated wear on surrounding parts and potential safety concerns during operation.
Part Details
| Part Number | 503221011 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Hexagon Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Wall Saw | WS220 |
| Wall Saw | WS8 |
| Power Cutter | K960 |
| Power Cutter | K970 |
| Power Cutter | K1270 |
| Power Cutter | K760 |
| Power Cutter | K770 |
| Power Cutter | K950 |
| Power Cutter | K750 |
| Power Cutter | K1270R |
| Power Cutter | K760II |
| Power Cutter | K540 |
| Power Cutter | K950Rescue |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
