The Multiquip 42343 is a genuine OEM Screw HFS M8-1.25 X 20 GR 8.8 designed for Multiquip ride-on power trowels including the HTX6H, HTXG6DF, STX6H, STXDF, MD80, MD105, and PRX series. As a direct OEM replacement, 42343 meets the original engineering specifications for thread pitch, grade, and dimensional tolerances used during factory assembly. Using the correct Grade 8.8 fastener ensures that clamped joints maintain proper clamping force under the vibration and load cycles typical of concrete finishing equipment. Source your replacement from DHS Equipment for confidence in part authenticity and fitment accuracy.
Key Features
- Grade 8.8 Tensile Strength — Medium-carbon steel construction at Grade 8.8 delivers the proof load and yield strength required to hold critical trowel assemblies under sustained vibration and operational stress.
- Correct Thread Specification — M8-1.25 thread pitch matches the tapped holes in OEM trowel components, threading in cleanly without the risk of cross-threading or stripped seats caused by mismatched fasteners.
- Direct OEM Replacement — Genuine Multiquip part 42343 installs as a drop-in swap for the original fastener, requiring no modification to mating hardware or mounting points.
- Broad Ride-On Trowel Fitment — Compatible with HTX6H, HTXG6DF, STX6H, STXDF, MD80, MD105, and PRX models, covering hydrostatic, hybrid, and Hatz-powered trowel variants across the Multiquip lineup.
- Clamping Force Retention — A properly spec'd fastener maintains joint preload over time, preventing loosening that can lead to component misalignment or accelerated wear on trowel blades and drive components.
A fastener of this specification serves as a structural securing element within the trowel's frame, guard, or drive assembly, where maintaining consistent clamping force is essential to safe and accurate machine operation. The M8-1.25 thread pitch and 20 mm length are engineered to suit specific boss depths and clearance requirements on these machines, meaning an incorrect substitute can result in under-engagement or over-tightening that damages mating threads. When a fastener fails or is replaced with an incorrect grade or pitch, it can cause component movement, vibration-induced loosening, and premature wear of surrounding hardware.
Part Details
| Part Number | 42343 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Screw HFS M8-1.25 X 20 GR 8.8 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HTX6H |
| Hydraulic Ride-On Power Trowels | MD105 |
| Hydraulic Ride-On Power Trowels | MD80 |
| Whiteman Ride-On Power Trowels | HTXG6DF |
| Whiteman Ride-On Power Trowels | STX6H |
| Whiteman Ride-On Power Trowels | STXDF |
| Ride-On Power Float | PRX |
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.
