The Sonamia S018757 is a genuine axle cap screw, precisely engineered with an M11 thread diameter and 113.5mm length under head. Featuring a 20mm head diameter and 7.5mm head height, it requires a 17mm wrench for installation. This high-quality fastener is designed for secure attachment in various Massey Ferguson tractor models including the 362, 365, 375, 390, and 398, ensuring reliable performance and durability in agricultural applications. It serves as a direct replacement for OEM part number Massey Ferguson 354020X1.