Wacker Neuson 5000025703 Screw 1/4-20 X 5/8 Flange Lock

The Wacker Neuson is a genuine OEM Screw 1/4-20 X 5/8 Flange Lock designed for the RD7 series walk-behind tandem rollers, including the RD7H-ES, RD7H-S, and RD7 double drum vibratory roller variants. As a direct OEM replacement, part is manufactured to the exact dimensional and material specifications called out in the Wacker Neuson parts catalog, so it installs without modification and seats correctly against mating flanged surfaces. Keeping fasteners like this one at specification is essential on compaction equipment where vibration cycles place continuous stress on every threaded connection throughout the machine.

Key Features

• Genuine OEM Thread and Torque Accuracy — Cut to exact 1/4-20 thread specification with the correct flange diameter and lock geometry, ensuring proper clamp load under continuous vibration exposure.
• Integrated Flange Lock Design — The built-in locking flange distributes clamping force and resists self-loosening without the need for a separate lock washer, simplifying reassembly.
• Direct Fit for RD7 Tandem Roller Variants — Confirmed fitment across the RD7H-ES, RD7H-S, and RD7 double drum and walk-behind vibratory roller configurations.
• Vibration-Resistant Holding Power — On a tandem roller, fastener loosening from drum vibration can lead to panel gaps, guard misalignment, or component shift; the correct locking screw maintains connection integrity over the machine's service life.
• Sourced Direct from Wacker Neuson — Genuine OEM part backed by Wacker Neuson's parts program, ensuring the correct grade, finish, and dimensional compliance for this application.

A flange lock screw combines a standard machine screw with an integrated flanged bearing surface that acts as a built-in washer and locking element. The flange spreads the clamping load over a wider area than a plain screw head, reducing the risk of surface damage and improving holding strength. On vibration-intensive equipment like a tandem roller, standard fasteners can work loose over time; the locking geometry on this screw resists that loosening, helping panels, guards, and assemblies stay securely fastened through demanding compaction work. A worn, stripped, or missing fastener in this position can allow components to shift or rattle, potentially leading to accelerated wear on surrounding hardware.

Part Details

Compatibility & Fitment

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.