The Husqvarna 732251001 Hexagon Locking Nut is a genuine OEM fastener designed for Husqvarna and HTC floor grinders, including the PG280, PG400, PG450, PG510, PG510I, HTC280, HTC450, HTC510, and T4000GP. As a direct OEM replacement, this locking nut is manufactured to Husqvarna's exact specifications, ensuring a proper, secure fit every time. Cross-reference part number 732251001 against your parts diagram to confirm compatibility with your specific machine. DHS Equipment supplies this part to help keep your equipment running at full performance.
Key Features
- OEM-Grade Fastener Integrity — Manufactured to Husqvarna's exact torque and thread specifications, ensuring the nut maintains proper clamping force under the continuous vibration loads typical of floor grinding operations.
- Locking Design — The hexagon locking profile resists loosening during operation, maintaining secure assembly without the need for additional locking compounds or hardware.
- Direct OEM Replacement — Matches the original thread pitch, hex size, and locking geometry for a straightforward installation on the same mounting points as the factory-fitted nut.
- Broad Floor Grinder Compatibility — Fits a wide range of Husqvarna PG-series and HTC-series floor grinders, including the PG280, PG400, PG450, PG510, HTC280, HTC450, and HTC510, as well as the T4000GP.
- Structural Security — A correctly fitted locking nut keeps critical assemblies stable during grinding passes, preventing component shift that can cause premature wear or machine damage.
A hexagon locking nut is a threaded fastener engineered to resist self-loosening under vibration and dynamic loads — conditions that are constant during floor grinding work. Unlike a standard nut, the locking feature (typically a nylon insert, prevailing-torque deformation, or serrated flange) creates additional friction that holds the nut firmly in position once torqued. When a locking nut wears out or is replaced with an incorrect fastener, assemblies can work loose during operation, leading to component misalignment, accelerated wear, and potential safety hazards on the grinding deck.
For fitment questions or additional part support, contact DHS Equipment directly.
Part Details
| Part Number | 732251001 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Hexagon Locking Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Dust & Slurry Equipment | T4000GP |
| Floor Grinder | HTC280 |
| Floor Grinder | HTC510 |
| Floor Grinder | PG280 |
| Floor Grinder | PG400 |
| Floor Grinder | PG450 |
| Floor Grinder | HTC450 |
| Floor Grinder | PG510I |
| Floor Grinder | PG510 |
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.
