The Multiquip EM403 Hex Nut 7/16-14 ST30 is a genuine OEM fastener designed for RW1403HF series rollers. As a direct OEM replacement, EM403 is manufactured to the exact thread pitch, grade, and dimensional tolerances specified for these machines, ensuring a secure, properly torqued connection every time. This nut is compatible with RW1403HF equipment and is sold through DHS Equipment as an authorized Multiquip OEM part. When you need a straightforward, confidence-inspiring fix, sourcing the correct OEM fastener eliminates guesswork and keeps your roller performing as intended.
Key Features
- OEM-Grade Fastener Specification — Manufactured to the exact 7/16-14 thread specification and ST30 material grade called out in the Multiquip parts catalog, ensuring proper clamping load and thread engagement.
- Direct-Fit Replacement — Threads directly into the original mounting position on RW1403HF rollers with no rework or modification to mating components.
- Confirmed RW1403HF Fitment — Verified OEM fitment for the RW1403HF RAMMAX roller series, so you can order with confidence.
- Structural Integrity Under Load — A correctly rated hex nut maintains the clamping force needed to keep critical assemblies secure during roller operation; an undersized or incorrect fastener can lead to loosening, vibration damage, or component failure.
- Torque-Ready ST30 Material — The ST30 steel grade provides the hardness and ductility needed to reach and hold specified torque values without stripping or cracking, even under continuous vibration exposure.
A hex nut is a threaded fastener that works in conjunction with a bolt or stud to clamp two or more components securely together. In vibratory and compaction equipment like the RW1403HF roller, fasteners are subjected to constant vibration and dynamic loading, making material grade and thread accuracy critical — an incorrect or worn nut can back off under load, compromising the integrity of the assembly it secures. Replacing a damaged or missing nut with the correct OEM-specified part restores the designed clamping force and keeps the connected components properly seated during operation.
Part Details
| Part Number | EM403 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Hex Nut 7/16-14 ST30 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | RW1403HF |
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.
