The Wacker Neuson Screw B3.9 x 25 Tapping is a genuine OEM fastener designed for the EHB 10 and EH 8 series electric demolition hammers. Sourced directly from Wacker Neuson, this tapping screw is manufactured to the exact thread form, head profile, and material specification required for correct assembly. It is confirmed compatible across a wide range of EHB 10 voltage variants — including 110V, 115V, 127V, 200V, 230V, and 240V configurations — as well as the EH 8 series, making the right choice for technicians servicing multiple hammer variants in a single fleet.
Key Features
- OEM Thread Integrity — Formed to the precise B3.9 x 25 thread specification, ensuring full thread engagement and correct clamping torque in housing and cover assemblies.
- Direct Housing Replacement — Installs into pre-formed or existing tapped points in the hammer housing without recutting or chasing threads, maintaining original assembly tolerances.
- Broad EHB 10 and EH 8 Compatibility — Fits 110V, 115V, 127V, 200V, 230V, and 240V variants of the EHB 10, plus the EH 8/042/200, covering a wide cross-section of Wacker Neuson electric hammer inventory.
- Housing Stability Under Vibration — A correctly torqued tapping screw keeps the hammer housing securely closed during high-cycle chiseling and drilling; a loose or stripped screw allows housing flex that accelerates wear on internal components.
- Electrical Safety at Housing Closures — Proper fastener seating maintains the integrity of the outer housing enclosure, supporting correct isolation of internal electrical components from operator contact.
A tapping screw in an electric demolition hammer serves as a primary fastener that draws and holds the outer housing panels together around the internal drive and motor assembly. Because electric hammers operate under sustained vibration and impact loads, the screw must maintain consistent clamping force across thousands of cycles without backing out or stripping the receiving material. When a tapping screw is missing, loose, or damaged, the housing can separate at the joint line, exposing internal components to dust ingress and creating movement that wears surrounding plastic or metal at the fastener boss — damage that can escalate quickly during active use.
Part Details
| Part Number | 5000013622 |
|---|---|
| Old Part Number | 0013622 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw B3.9 x 25 Tapping |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electric Drilling/Chisseling H ammer, 19x82.5, 230V | EHB 10/230 | 5000006943, 5000007081, 5000007082, 5000007083, 5000007087, 5000007494 |
| Electric Hammer EHB 10/240 | EHB 10/240 | 5000007084, 5000007085 |
| Electric Drilling/Chisseling H ammer, Spline, 115V | EHB 11/110 | 5000007096 |
| Electric Hammer EHB 10/110 | EHB 10/110 | 5000007202, 5000007203, 5000007204 |
| Electric Hammer EHB 10/100 | EHB 10/100 | 5000007205 |
| El. Hammer EHB 10/042/200 | EHB 10/042/200 | 5000007222 |
| El. Hammer EHB 10/115/200 | EHB 10/115/200 | 5000007255 |
| El. Hammer EHB 10/250/200 | EHB 10/250/200 | 5000007264 |
| El. Hammer EHB 10/127 WMM | EHB 10/127 | 5000007351 |
| El. Hammer EH 8/042/200 | EH 8/042/200 | 5000007364 |
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.