The Husqvarna 505406801 Spindle Shaft is a genuine OEM component designed for the DM330 concrete core drill. As a factory-original part, it is manufactured to Husqvarna's exact specifications, ensuring a direct, accurate fit with no guesswork on compatibility. DHS Equipment supplies this part to help keep your core drilling equipment running at full capacity.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to Husqvarna's exact tolerances for consistent torque transfer and true rotational alignment under demanding core drilling loads.
- Direct Drop-In Replacement — Engineered to match the original mounting points and interface geometry of the DM330, allowing straightforward installation without modification.
- DM330 Core Drill Compatibility — Confirmed fitment for the DM330 concrete core drill, so you can order with confidence knowing this shaft is the correct part for your machine.
- Restored Drilling Precision — A worn or damaged spindle shaft causes bit runout, irregular core holes, and accelerated wear on surrounding components. Replacing it with this genuine part restores straight, clean drilling performance.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's construction equipment parts catalog, not a substitute or approximation — the same part built into every DM330 at the factory.
The Spindle Shaft is the central rotating component that transmits power from the drill motor to the core bit, converting motor torque into the cutting force needed to drive through concrete and masonry. It must maintain precise concentricity under continuous rotational stress — any wear, bending, or surface damage introduces runout that degrades core quality and places excess load on the motor bearings and chuck assembly. Replacing a compromised shaft with part number this part restores proper alignment and protects the surrounding drivetrain components from cascading wear.
Part Details
| Part Number | 505406801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Spindle Shaft |
Compatibility & Fitment
| Name | Model |
|---|---|
| Concrete Core Drill | DM330 |
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.
