Notes: 6195538M1 HEX HEAD SCREW UNI 5737 M12X100 8.8 is original TEREX product. 6195538M1 HEX HEAD SCREW UNI 5737 M12X100 8.81 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849