The Wacker Neuson is a genuine OEM Nut M16LH 8 Hex Galvanized designed for the BFS floor saw series. This left-hand threaded M16 hex nut is sourced directly from Wacker Neuson, ensuring it meets the exact specifications of the original hardware used on the machine. It is compatible across a broad range of BFS and BFSX floor saw models, including the BFS12, BFS16, BFS18, BFS18D, BFS20, BFS20D, BFS80, BFS100, BFS130, BFS1345, BFS1350, BFSX models, MFS12, and MFS14 series. When it comes to blade arbor hardware and rotating components, using the correct OEM nut with the proper thread specification is critical for safe and consistent operation.
Key Features
- Left-Hand Thread Retention: — M16 left-hand thread specification matches the original installation, preventing self-loosening on counter-rotating spindle applications common to floor saw blade arbors.
- Galvanized Corrosion Resistance: — Zinc galvanized finish protects the nut against rust and surface corrosion in wet cutting environments where water is continuously applied to the blade.
- Grade 8 Hardware Strength: — Manufactured to Grade 8 strength classification, providing the clamping load and torque capacity required for secure blade arbor retention under heavy cutting loads.
- Direct OEM Replacement: — Genuine Wacker Neuson part 5000038431 installs in the same position as the original nut with no reworking of threads or mating components.
- Wide BFS Series Compatibility: — Fits a large range of BFS, BFSX, and MFS gasoline and diesel floor saws, covering models from compact walk-behind units through larger 500mm drive configurations.
- Blade Security and Operator Safety: — A worn, stripped, or incorrect thread specification nut on a high-speed floor saw blade arbor presents a serious safety risk; replacing with the correct OEM part maintains proper clamping and blade retention.
The Nut M16LH 8 Hex Galvanized secures the cutting blade to the arbor shaft on Wacker Neuson BFS floor saws. Left-hand thread orientation is intentional on many floor saw designs — the direction of spindle rotation naturally tightens a left-hand nut during operation, keeping the blade firmly clamped under load. If this nut becomes damaged, stripped, or corroded, blade retention is compromised, which can lead to blade slippage, uneven cuts, or an unsafe condition during operation. Replacing it with the correct OEM specification hardware restores proper blade clamping and ensures safe, consistent cutting performance.
Part Details
| Part Number | 5000038431 |
|---|---|
| Old Part Number | 0038431 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut M16LH 8 Hex Galvanized |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS12 FLOOR SAW | BFS12 | 5000630000 |
| Floor Saw | BFS20D | 5000630008 |
| BFS20 | BFS20 | 5000630129 |
| Floor Saw | BFS16 | 5000630098 |
| Floor Saw | BFS18D | 5000630132, 5000630009 |
| Floor Saws | BFS1214 | 5000630004, 5000630093 |
| BFS18 | BFS 18 | 5000630099 |
| Gasoline Floor Saw, Ø 350 | BFS 80 | 5000006654 |
| Floor Saw | BFS 130RM | 5000009520 |
| Floor Saw | BFS 130R | 5000009521 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| Floor Saw | BFS 12 | 5000630092 |
| Floor Saws | BFSX20D | 5000630134 |
| Floor Saw | BFS20(RAW) | 5000630198 |
| Gasoline Floor Saw, Ø 450 (350 ) | BFS 100 | 5000007352 |
| Gasoline Floor Saw, 450 drive, cutmatic | BFS 1345AS | 5000008699 |
| Gasoline Floor Saw, 450 drive, cutmatic | BFS 1345ALS | 5000008700 |
| Gasoline Floor Saw, Ø 500 driv e, cutmatic | BFS 1350AS | 5000008752 |
| Floor Saw | BFSX 130RM | 5000009523 |
| Floor Saw | BFSX 130R | 5000009524 |
| Floor Saw | BFSX1214 | 5000630101 |
| Floor Saws | BFSX18D | 5000630133 |
| Floor Saw | MFS14 | 5000630186, 5000630221 |
| Floor Saw | BFS18(RAW) | 5000630199 |
| Floor Saws | BFSX20A | 5000630203 |
| Floor Saw | MFSX14 | 5000630246 |
| Floor Saw | BFSX18 | 5000630249 |
| Floor Saw | BFSX20 | 5000630250 |
| Floor Saw | BFSX18D(RAW) | 5000630251 |
| BFS1350ALS-SAW | BFS 1350ALS | 5000008885 |
| Floor Saws | BFS 130(RAW) | 5000630042 |
| Floor Saw | MFS12 | 5000630187, 5000630220 |
| Floor Saws | BFSX18A | 5000630188 |
| Floor Saw | MFSX14(RAW) | 5000630247 |
| Floor Saw | BFSX16 | 5000630248 |
| Gasoline Floor Saw, 450 cutmat ic | BFS 1345A | 5000008697 |
| Gasoline Floor Saw, 450 cutmat ic | BFS 1345AL | 5000008698 |
| Gasoline Floor Saw, Ø 500 cutm atic | BFS 1350A | 5000008751 |
| BFS1350AL-SAW | BFS 1350AL | 5000008898 |
| Petrol Floor Saw BFS 1350L | BFS 1350L | 5000008936 |
| Powered Floor Saw DFS 90 | DFS 90 | 5000006653 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935A | 5000008694 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935AL | 5000008695 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 1335A | 5000008696 |
| Gasoline Floor Saw, Ø 450 cutm atic | BFS 1345K | 5000008711 |
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.