The Multiquip EM20438 is a genuine OEM HHC Screw 3/8-16 x 5.00 designed for a broad range of Multiquip and Whiteman concrete finishing and screed equipment. This fastener is a verified OEM replacement sourced directly from Multiquip, ensuring the correct thread pitch, grip length, and head dimensions every time. Compatible with WRS5200, WRSPUDF, HDA Series, J36, JA Series, BA Series, B46, HPLA-46, HPHA-46, and M30 Series walk-behind trowels and roller screeds, the EM20438 covers one of the widest fitment ranges in the Multiquip finishing lineup. When OEM accuracy matters for reassembly torque and structural integrity, this is the correct part to reach for.
Key Features
- OEM Thread and Dimensional Accuracy — Manufactured to exact 3/8-16 thread specification and 5.00-inch grip length, ensuring proper clamp load and thread engagement on reassembly.
- Genuine Multiquip OEM Fastener — Sourced directly from Multiquip, so you get the correct grade, head style, and finish — no guesswork on substitutions.
- Broad Fitment Across Finishing Equipment — Fits WRS5200, WRSPUDF roller screeds, HDA Series, J36, JA Series, BA Series, B46, HPLA, HPHA, and M30 Series walk-behind power trowels.
- Structural Fastener for Critical Assemblies — A hex head cap screw of this length and grade is commonly used in structural and drive-component assemblies where correct torque retention directly affects operational safety and performance.
- Direct Drop-In Replacement — Matches the OEM fastener location and installation spec, allowing straightforward installation without modification or sizing adjustments.
A hex head cap screw is a structural fastener used to clamp and secure major assemblies on concrete finishing and screed equipment — including drive housings, guard brackets, frame components, and blade pitch assemblies. At 3/8-16 x 5.00 inches, this is a full-length fastener designed for applications that require deep thread engagement and consistent clamping force across thick or stacked components. When a fastener of this type loosens, strips, or is replaced with an incorrect grade or length, it can lead to component misalignment, excessive vibration, and premature wear on the surrounding assembly — making like-for-like OEM replacement the safest and most reliable option during service.
Part Details
| Part Number | 20438 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | HHC Screw 3/8-16 x 5.00 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Ride-On Roller Screeds | WRS5200 |
| Whiteman Walk-Behind Power Trowels | HDA-SERIES |
| Walk-Behind Trowels | HPLA46411H |
| Walk-Behind Trowels | BA-SERIES |
| Power Trowels | J36H55 |
| Power Trowels | J36R90H |
| Power Trowels | J36H90 |
| Walk-Behind Trowels | M30H55 |
| Power Trowels | J36 |
| Ride-On Roller Screeds | WRSPUDF |
| Whiteman Walk-Behind Power Trowels | B46 |
| Walk-Behind Trowels | HPLA-HPHA-36 |
| Power Trowels | J36-M30 Series |
| Heavy Duty Series | HPHA36C5H |
| Walk-Behind Trowel | HPHA-46-SERIES |
| Walk-Behind Trowels | HPHA46411H |
| Power Trowels | J36R60 |
| Power Trowels | J36H90H |
| Power Trowels | J36R90 |
| Walk-Behind Trowels | JA-SERIES |
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.
