Wacker Neuson 5000157768 Hex Screw M8-1.25 X 25

The Wacker Neuson is a genuine OEM Hex Screw M8-1.25 X 25 designed for P35A, P35, P31A wet screed power units and the BV50A-H Backpack Vibrator. As a direct Wacker Neuson OEM part, is manufactured to the exact thread pitch, head geometry, and material grade specified for these assemblies. Correct fastener spec matters in vibration-intensive applications — an undersized or incorrect screw can back out under load and compromise structural integrity. Confirm your model number before ordering to ensure a direct fit.

Key Features

• Correct Thread Spec for Vibrating Equipment — M8-1.25 x 25 thread profile and shank length match the OEM fastener specification exactly, critical in high-vibration screed and vibrator assemblies where incorrect pitch leads to loosening or thread damage.
• Genuine OEM Sourcing — Supplied directly by Wacker Neuson, this screw is manufactured from the same material grade and to the same torque rating as the original hardware installed at the factory.
• Broad Fitment Across P-Series and BV-Series — Compatible with P35A, P35, and P31A wet screed power units as well as the BV50A-H Backpack Vibrator, covering multiple configurations within the Wacker Neuson concrete finishing line.
• Hex Drive for Reliable Torque Application — The hex head format allows proper tool engagement and controlled torque, ensuring the fastener seats fully without stripping under the repetitive stress of screeding or vibration duty.
• Structural Fastener — Safety-Relevant Application — In screed power units and backpack vibrators, fasteners secure housings, handles, and engine mounting points. Using the correct OEM specification screw maintains clamping force and prevents component separation during operation.

A hex screw at M8-1.25 x 25 serves as a structural fastener within the assembly, clamping components together and maintaining alignment under continuous vibration load. In screed power units and backpack vibrators, fasteners are subjected to sustained high-frequency vibration, which accelerates loosening and wear on any hardware that does not meet the correct thread pitch and material specification. When a fastener fails or backs out in these applications, it can allow housings to shift, covers to detach, or engine mounts to lose clamping force — all of which affect both performance and operator safety. Replacing a worn or missing screw with the correct OEM part restores the assembly to its designed clamping specification.

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.