The Bomag 05568966 Square Nut is a genuine OEM fastener designed for Bomag BW 80 AD-2, BW 80 ADS, BW 90 AC-2, BW 90 AD-2, BW 100 ADM-2, and BW 900 AD tandem rollers. Sourced directly from Bomag, this square nut matches the original manufacturer's specifications for material grade and thread profile, ensuring it seats and torques correctly in the assembly it serves. When you order part number 05568966 from DHS Equipment, you receive the exact hardware your machine was built with — no guesswork, no substitution.
Key Features
- Genuine OEM Hardware Grade — manufactured to Bomag's own material and thread specifications, so the fastener delivers the correct clamping load and thread engagement for this application
- Direct Drop-In Fit — engineered to the original dimensional profile, this square nut installs into the correct mating pocket or channel without modification
- Broad Tandem Roller Coverage — fits BW 80 AD-2, BW 80 ADS, BW 90 AC-2, BW 90 AD-2, BW 100 ADM-2, and BW 900 AD tandem rollers, covering multiple variants across the series
- Consistent Torque Retention — a properly fitted square nut resists rotation in its seat under vibration and load, maintaining joint integrity throughout compaction cycles
- Verified Part Number Traceability — part number 05568966 is confirmed against Bomag's OEM catalog, giving you confidence that you are ordering the correct component before the machine goes back to work
A square nut is a four-sided fastener designed to seat into a corresponding square pocket, slot, or channel within an assembly, preventing it from spinning when a bolt or stud is tightened against it. This geometry gives the nut a larger bearing surface than a standard hex nut and allows it to be captured in tight or recessed locations where a wrench cannot reach. When a square nut is worn, cross-threaded, or missing, the fastener joint loses its clamping force and the connected components can shift or loosen under the vibration loads that tandem rollers generate during asphalt compaction — making prompt replacement critical to keeping the assembly intact and operating as intended.
Part Details
| Part Number | 05568966 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Square Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 90 AD-2 | 00810281, 00817569, 00818041, 00818507 |
| Tandem Roller | BW 100 ADM-2 | 00817459 |
| Tandem Roller | BW 80 AD-2 | 00817566 |
| Tandem Roller | BW 80 ADS | 00817567, 00818513 |
| Tandem Roller | BW 90 AC-2 | 00817568, 00818045 |
| Tandem Roller | BW 900 AD | 00817570 |
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.