The Wacker Neuson is a genuine OEM Screw M4X40 Torx designed for the EHB 7 series electric rotary demolition hammers, including the EHB 7M, EHB 7/115, and EHB 7/230 models. Sourced directly from Wacker Neuson, this fastener is manufactured to the exact dimensions and drive specification required by these SDS-max hammers. Using the correct OEM screw ensures proper torque retention and structural integrity within the hammer housing assembly. Confirm your model number before ordering to ensure an exact match.
Key Features
- Correct Drive Geometry: — M4X40 Torx profile matches the factory fastener spec exactly, eliminating the risk of cam-out or fastener damage during installation.
- Genuine OEM Part: — Sourced directly from Wacker Neuson, ensuring the thread pitch, length, and head dimensions are identical to the original hardware used on the production line.
- Broad EHB 7 Series Coverage: — Confirmed fitment across the EHB 7M, EHB 7/115, and EHB 7/230 rotary demolition hammer models, covering both 115V and 230V configurations.
- Maintains Housing Integrity: — A correctly torqued fastener keeps internal components properly secured, preventing vibration-induced loosening that can lead to misalignment or housing damage under heavy demolition use.
- Electrical Safety Compliance: — On electric power tools, loose or incorrect fasteners in the housing can compromise grounding paths and insulation containment; using the correct OEM screw supports safe, code-compliant operation.
The Screw M4X40 Torx is a structural fastener used to secure housing panels, guards, or internal component assemblies on the EHB 7 series electric demolition hammers. In high-vibration applications like rotary hammering and chiseling, fasteners are subjected to constant cyclic stress and can loosen or strip over time, particularly if a non-specified replacement was previously installed. A worn, stripped, or incorrect screw compromises the rigidity of the assembly, which can lead to rattling, misaligned components, or exposure of internal electrical parts — making correct fastener replacement an important part of routine maintenance and repair.
Part Details
| Part Number | 5000104230 |
|---|---|
| Old Part Number | 0104230 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw M4X40 Torx |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 7M | 5000007850 |
| Rotary Demolition Hammer | EHB 7/115 | 5000007706, 5000007974 |
| Electric Drilling/Chisseling H ammer, SDS-max, 115V | EHB 7/230 | 5000007973, 5000007980 |
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.