77AM41
Six-Point Socket Screw
Mack

This specialized screw features a six-point socket drive, offering enhanced grip and torque transfer during installation and removal. Its design minimizes the risk of stripping and provides a secure fastening solution for critical components. Ideal for applications requiring high torque and precision, this screw ensures a tight, reliable connection that resists loosening under vibration. Its robust construction makes it suitable for demanding environments typical of heavy-duty trucks. Source One Parts Center provides this screw to support your maintenance needs with dependable fasteners that uphold safety and performance standards.