The Husqvarna 539100464 Hex Head Screw 5/8-11 x 4 Grade 5 is a genuine OEM fastener designed for the RS8500D and PRO65G floor saws. As an OEM component, this screw is manufactured to the exact thread specification, length, and grade rating Husqvarna specifies for these machines — ensuring it seats correctly and holds at the required clamping load. Cross-reference part number 539100464 against your parts diagram to confirm the correct position before ordering. DHS Equipment supplies this part to help keep your equipment running and your floor saw back on the job.
Key Features
- Grade 5 Tensile Strength — Built to Grade 5 specifications, this screw delivers the clamping force and shear resistance required in heavy-duty floor saw applications where structural integrity matters.
- Exact Thread and Length Match — The 5/8-11 UNC thread pitch and 4-inch length match the OEM specification precisely, so the screw engages fully with the mating fastener or tapped bore without rework.
- Genuine Husqvarna OEM Part — Sourced directly from Husqvarna's construction equipment parts program, this fastener meets the same material and dimensional standards as the original hardware installed at the factory.
- Compatible with RS8500D and PRO65G Floor Saws — Verified fitment for RS8500D and PRO65G floor saws, giving you confidence that this is the correct replacement hardware for your machine.
- Structural Reliability Under Load — A loose, stripped, or incorrectly graded fastener in a floor saw can compromise blade guard alignment, frame rigidity, or component retention. Using the correct OEM screw restores the connection to its designed holding capacity.
A hex head screw of this specification is a structural fastener used to secure major assemblies or components on the floor saw, where consistent clamping force and resistance to vibration-induced loosening are critical. The 5/8-11 thread designation indicates a coarse-thread pattern suited to high-load joints, while the Grade 5 rating confirms the screw can withstand the tensile and shear stresses generated during cutting operations. When a fastener in this position fails, stretches, or is replaced with an incorrect grade, it can lead to component movement, accelerated wear on mating parts, or a compromised connection that affects the safe operation of the saw.
Part Details
| Part Number | 539100464 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Hex Head Screw 5/8-11 x 4 Grade 5 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | RS8500D |
| Floor Saw | PRO65G |
| Floor Saw | Pro65G |
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.
Core Cut
5/8-11 X 5" Hex Head Cap Screw Grade 8 Yellow Zinc | 2900502
