The Wacker Neuson Woodruff Key is a genuine OEM component designed for the BTS 630, BTS 635, and BTS 635S series cut-off and floor saws. Sourced directly from Wacker Neuson, this part is manufactured to the exact tolerances required for correct blade hub engagement and shaft alignment on these machines. It fits across multiple configurations within the BTS 630 and BTS 635 families, including standard and S-variant models.
Key Features
- OEM-Grade Dimensional Accuracy — Machined to the precise profile required for correct seating in the crankshaft keyway, ensuring full torque transfer without slippage.
- Drop-In Shaft Fit — Sized to slot directly into the keyway of compatible BTS 630 and BTS 635 series saws with no filing or reworking needed.
- Broad BTS Series Coverage — Confirmed fitment across the BTS 630, BTS 630S, BTS 635, BTS 635S cut-off saws and floor saws.
- Secure Blade Hub Retention — A correctly fitted Woodruff Key locks the blade hub or drive component in rotational alignment; a worn or missing key allows the hub to slip, causing erratic blade behavior and rapid wear to the shaft.
- Blade Drive Safety — Proper keying of the blade hub is a critical step in cut-off saw assembly; using a correctly dimensioned OEM key ensures the blade drive connection meets Wacker Neuson's design intent and reduces the risk of unexpected hub movement under load.
A Woodruff Key is a small, semi-circular metal key that sits in a matching slot milled into a rotating shaft, locking a hub, pulley, or blade flange so it turns with the shaft rather than spinning freely on it. In a cut-off saw, this key is what keeps the blade drive hub positively engaged with the crankshaft or output shaft — without it, the hub can rotate independently, causing the blade to stall, slip, or disengage entirely under cutting load. When a Woodruff Key shears or wears out of profile, power transmission is compromised immediately and continued operation risks damage to both the shaft and the hub bore.
Part Details
| Part Number | 5000213747 |
|---|---|
| Old Part Number | 0213747 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Woodruff Key |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cut-off saw BTS 635 | BTS 635 | 5000610190, 5000610191 |
| Cut-off saw BTS630 | BTS 630 | 5000610186, 5000610187 |
| Cut-off Saw BTS 635S | BTS 635S | 5000610192, 5000610193, 5000610407 |
| Floor Saw BTS 630S | BTS 630S | 5000610406 |
| BTS635s | BTS635s | 5100005408 |
| BTS635S Cut-off Saw | BTS 635s | 5100005409, 5100005411 |
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.
