Notes: 2264346 STUD M20X94 10.9 UNI EN 20898 B6 - CARRA is original CATERPILLAR product. 2264346 STUD M20X94 10.9 UNI EN 20898 B6 - CARRA1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849