Wacker Neuson 5000161203 Screw 1/2-20X3-1/2 Socket Head

The Wacker Neuson is a genuine OEM Screw 1/2-20X3-1/2 Socket Head designed for the CRT36 and CRT48 series ride-on concrete power trowels. As a direct OEM part, is produced to the same specification as the original hardware used on the production line, ensuring correct thread engagement, head geometry, and material grade. This screw services an extensive range of CRT models, including the CRT36-24A, CRT36-25, CRT36-26A, CRTv36-26A, CRT48-31V, CRT48-33K, CRT48-34V, CRT48-35L, CRT48-35V, CRT48-37V, and CRT48-57K-MS. Sourcing the correct fastener by part number eliminates the guesswork that comes with substituting generic hardware on precision finishing equipment.

Key Features

• Genuine OEM Fastener Grade — Manufactured to the exact thread pitch (1/2-20), length (3-1/2 in.), and tensile specification called out in the Wacker Neuson parts program — not a generic substitute.
• Socket Head Drive — The internal hex socket head allows torque to be applied with a standard Allen/hex key in tight or recessed mounting locations common on ride-on trowel assemblies.
• Broad CRT Series Coverage — Fits CRT36 (24A, 25, 26A) and CRT48 (31V, 33K, 34V, 35L, 35V, 37V, 57K-MS) models across multiple production runs, including dual-fuel and wheel kit variants.
• Correct Clamping Load — Using the specified screw maintains proper joint preload on structural and operational assemblies; an undersized or mismatched fastener can lead to loosening under the vibration loads generated during concrete finishing.
• Drop-In Replacement — Thread form and head profile match the original mounting point exactly, so installation follows the machine's standard torque procedure without reworking the receiving hole or hardware stack.

A socket head cap screw like the 5000161203 is a precision structural fastener used to clamp assemblies together at a defined and repeatable torque value. The 1/2-20 thread designation indicates a half-inch nominal diameter with a fine 20-threads-per-inch pitch, which provides greater resistance to vibration loosening compared to coarse-thread equivalents — an important characteristic on concrete finishing equipment that generates sustained cyclical vibration during operation. When a fastener of this type wears, strips, or is replaced with an incorrect substitute, the joint it secures can lose preload, leading to component movement, accelerated wear on mating surfaces, or structural failure of the assembly.

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.