Wacker Neuson 5000016434 Screw M12 X 40 10.9 Hex Head

The Wacker Neuson Screw M12 X 40 10.9 Hex Head is a genuine OEM fastener designed for a wide range of Wacker Neuson trench rollers and tandem rollers, including the RT56, RT82, RTx, RTLx, RTKx, and RD7 series. As a genuine OEM component, is manufactured to Wacker Neuson's exact material and dimensional specifications, ensuring consistent clamping force and thread engagement in every application. This screw is used across multiple generations of remote-controlled trench rollers and walk-behind tandem rollers, making it a high-utility fastener to keep on hand for scheduled maintenance and field repairs. Confirm your model number before ordering to ensure correct application.

Key Features

• Grade 10.9 High-Tensile Strength — The 10.9 property class rating means this screw delivers superior tensile and yield strength compared to standard fasteners, maintaining secure joint integrity under the vibration loads typical of compaction equipment.
• Genuine OEM Part — Sourced directly from Wacker Neuson, 5000016434 meets the exact thread pitch, shank length, and head geometry specified for these machines — no measuring or substitution guesswork required.
• M12 X 40 Hex Head Format — The 12 mm diameter, 40 mm length, and hex drive head allow straightforward installation and removal with standard metric tooling, fitting the torque specifications called out in Wacker Neuson service documentation.
• Broad Cross-Generation Fitment — Confirmed fitment across RT56, RT82, RT820, RT560, RTx-SC2, RTLx-SC3, RTKx-SC3 trench roller families, plus RD7 series tandem rollers, covering both legacy and current production machines.
• Critical Fastener for Vibration-Intensive Applications — Trench and tandem rollers subject fasteners to continuous dynamic loading; using a correctly rated OEM screw maintains structural joint integrity and prevents loosening or fatigue failure during operation.

An M12 X 40 Grade 10.9 hex head screw is a high-tensile structural fastener used to secure major assemblies and sub-frames on compaction equipment where vibration and shock loads are constant. The 10.9 property class indicates a minimum tensile strength of 1000 MPa, making these screws significantly stronger than common Grade 8.8 hardware — a requirement in joints that must resist loosening under the repeated impact forces generated by vibratory drum systems. When a screw of this grade is replaced with an under-rated substitute or allowed to fatigue and fail, the joint can shift, causing misalignment, accelerated wear on surrounding components, or loss of structural connection during operation.

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.

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