The Husqvarna 593538401 Nut is a genuine OEM fastener designed for Husqvarna and HTC floor grinders, including the PG690, PG830, DuratiqT6, DuratiqT8, DuratiqX6, DuratiqX8, HTCT8, HTCX8, HTCRX8, PG690P, PG690RC, PG830P, PG830RC, and PG830S. As a factory-original component, this nut is manufactured to Husqvarna's exact specifications, ensuring a precise mechanical match with the hardware interfaces on these machines. Cross-reference part number 593538401 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your floor grinder operating at full capacity.
Key Features
- Genuine OEM Construction — Manufactured to Husqvarna's exact thread pitch, hardness, and dimensional tolerances, ensuring correct clamping force and secure retention where it counts.
- Direct Hardware Match — Engineered to thread and seat correctly against the mating fastener interfaces on supported Husqvarna and HTC floor grinders, requiring no reworking of existing hardware.
- Broad Floor Grinder Compatibility — Fits a wide range of Husqvarna PG-series and DURATIQ/HTC floor grinders, including PG690, PG830, DuratiqT8, DuratiqX8, HTCT8, HTCX8, and additional variants.
- Structural Integrity Restored — A correctly fitted nut maintains proper component clamping across the grinder's assemblies; a worn or missing fastener can lead to loosening, vibration, and component damage during operation.
- OEM Part Number Traceability — Use part number 593538401 to verify against your machine's parts manual or exploded diagram for a confident, accurate order every time.
A nut is a threaded fastener that works together with a bolt or stud to clamp and secure machine components in place. On floor grinders, fasteners like this one hold together critical assemblies — from grinding heads and guards to drive components and frame elements — and must maintain consistent clamping force under the vibration and load generated during surface grinding. When a nut becomes stripped, corroded, or lost, the assembly it secures can shift or loosen, compromising both grinding performance and operator safety. Replacing it with the correct OEM part restores the mechanical integrity of the connection.
Part Details
| Part Number | 593538401 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | DuratiqT6 |
| Floor Grinder | DuratiqT8 |
| Floor Grinder | DuratiqX6 |
| Floor Grinder | DuratiqX8 |
| Floor Grinder | HTCT8 |
| Floor Grinder | PG690 |
| Floor Grinder | PG830RC |
| Floor Grinder | PG830S |
| Floor Grinder | HTCX8 |
| Floor Grinder | PG690P |
| Floor Grinder | PG830P |
| Floor Grinder | DURATIQX6 |
| Floor Grinder | HTCRX8 |
| Floor Grinder | PG690RC |
| Floor Grinder | PG830 |
| Floor Grinder | DURATIQX8 |
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.
