Traxxas 4x6mm Button-Head Machine Screws with Threadlock (6) RC Spare Part - 3939 4X4 Monster Truck and one spider gear shaft

and one spider gear shaft for a complete differential rebuild

and components transfer across without guesswork

This is a single piece supplied as a direct OEM-spec part

helping to maintain consistent rear suspension geometry during hard bashing

and keeping them in good condition is essential for consistent handling and straight-line tracking

Traxxas 4x6mm Button-Head Machine Screws with Threadlock (6) RC Spare Part - 3939 4X4 Monster Truck and one spider gear shaftThe Traxxas TRX3939 button head machine screws are 4x6mm hex drive fasteners supplied with pre applied threadlock, designed as direct fit replacement hardware for Traxxas RC models. Each pack contains six screws, making it straightforward to replace stripped or lost fixings during routine maintenance or after hard use. These RC fasteners are a small but essential part of keeping your Traxxas build tight and reliable on the track or trail. Key Features