RRP1201 Robinson Racing 4x4mm Set Screw (5) (5mm Pinion)

RRP1201 Set Screws, 4x4mm are designed for securing pinion gears, pulleys, and other rotating components to motor shafts in RC vehicles and small mechanical systems. Manufactured from high-quality steel, these precision-machined set screws provide a secure, vibration-resistant fit that ensures components stay in place even under high torque or heavy load. Their hardened construction resists stripping, and the standard 4x4mm size makes them compatible with a wide range of RC motors and gears. Package includes four set screws.

• 4x4mm size for standard 4mm bore components

• High-quality steel construction for strength, durability, and long service life

• Hardened threads resist stripping and wear

• Provides a secure, vibration-resistant fit for pinion gears, pulleys, and other components

• Ideal for high-power RC applications and heavy-duty mechanical systems

• Precision-machined for reliable performance and consistent installation

• Package includes four set screws