Notes: F339 300 020 850 SELF-LOCKING SCREW M12X45 10.9 - - is original AGCO-MF-VALTRA product. F339 300 020 850 SELF-LOCKING SCREW M12X45 10.9 - -1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849