The Multiquip 10059-019 is a genuine OEM Square Key ¼" x ¼" x 1-7/8" designed for DFG Series surface grinders and CS8 saws. As a direct Multiquip OEM replacement, this key is manufactured to the exact dimensions required for proper shaft-to-hub engagement in compatible equipment. Verified fitment includes DFG Series surface grinders and CS8 pavement saws, making it a straightforward like-for-like swap. DHS Equipment stocks this part to help you get the right component the first time.
Key Features
- Exact OEM Dimensions — Precision-cut to ¼" x ¼" x 1-7/8" per Multiquip specification, ensuring correct torque transfer between shaft and driven component without slop or play.
- Genuine Multiquip Part — Sourced directly from Multiquip, this is an authentic OEM component — not an approximation — so the fit and material grade match the original exactly.
- Direct-Fit Replacement — Drops into the existing keyway on DFG Series surface grinders and CS8 saws with no machining or modification to the shaft or hub required.
- Compatible with DFG and CS8 Equipment — Confirmed fitment across the DFG Series surface grinder line and CS8 pavement saw, covering a range of common Multiquip cutting and grinding applications.
- Prevents Blade and Spindle Slip — A worn or missing square key allows the driven component to rotate independently of the shaft, causing loss of cutting power, uneven wear, and potential equipment damage — this replacement restores full positive drive.
- Safety-Critical Drivetrain Component — On blade-driven equipment like saws and grinders, a failed key can result in sudden loss of blade control; using the correct OEM-spec replacement maintains safe, predictable operation.
A square key is a small but essential drivetrain component that locks a rotating shaft to a hub, pulley, or blade arbor so both turn together as a single unit. It sits in matching keyways cut into both the shaft and the mating component, transmitting torque and preventing any rotational slippage between them. When a key wears down, shears, or goes missing, the driven component — such as a grinding disc or saw blade — can spin freely or intermittently on the shaft, causing vibration, loss of cutting performance, and accelerated damage to the shaft and hub surfaces.
Part Details
| Part Number | 10059-019 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Square Key ¼" x ¼" x 1-7/8" |
Compatibility & Fitment
| Name | Model |
|---|---|
| Grinders | DFG Series |
| Saws | CS8 |
| Surface Grinders | DFG |
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.
