Husqvarna 731231801 Hexagon Nut

The Husqvarna 731231801 Hexagon Nut is a genuine OEM replacement fastener designed for a wide range of Husqvarna Construction equipment, including dust collectors such as the DC6000, floor saws such as the FS7000D and FS5000D, demolition robots such as the DXR275 and DXR305, power cutters such as the K760 and K4000, floor grinders such as the PG450 and HTC510, and power packs such as the PP325E and PP455E. As a factory-sourced component, this nut is manufactured to Husqvarna's exact dimensional and material specifications, ensuring correct torque retention and a secure, lasting connection in the assembly it serves. Cross-reference part number 731231801 against your machine's parts diagram to confirm the correct fastener position before ordering. DHS Equipment supplies this part to help keep your equipment running across its full range of supported machines.

Key Features

• Genuine OEM Fastener Grade — manufactured to Husqvarna's exact thread pitch, hex dimensions, and material hardness specifications, delivering the clamping force the original assembly requires.
• Drop-In Replacement — matches the original fastener profile exactly, threading directly into factory-specified positions without modification to mating components.
• Broad Cross-Equipment Compatibility — fits an extensive lineup of Husqvarna Construction equipment spanning dust collectors, floor saws, demolition robots, power cutters, floor grinders, tile and masonry saws, wire saws, power packs, and more.
• Structural Integrity Restored — a correctly torqued, properly sized nut maintains component alignment and prevents loosening under vibration, which is critical on high-cycle equipment such as floor saws and power cutters.
• Verified Part Number Traceability — ordering by Husqvarna article number this part ensures you receive the exact fastener specified in the original assembly, eliminating the risk of an incorrect thread form or under-rated hardware.

A hexagon nut is a threaded fastener that mates with a bolt or stud to clamp components together in a fixed, secure assembly. In construction equipment operating under continuous vibration and heavy load cycles, using the correctly rated and dimensioned nut is essential — an undersized or incorrect-thread fastener can work loose, cause misalignment, or allow structural components to shift during operation. Replacing a worn, stripped, or missing nut with the correct OEM part restores the integrity of the bolted joint and ensures the assembly performs as designed.

Part Details

Compatibility & Fitment

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.