The QA1 X Series Endura female rod end with a 5/16in (0.3125in) bore and 5/16-24 left-hand threads is an alloy-steel loader-slot rod end for medium-sized linkages. Product text points to the loader-slot configuration and thread size; features call out durability and precise tolerances, making it suitable for demanding applications where a reliable articulating joint and accurate fit are important.
QA1 X Series Endura Rod End - Female/Left Hand - .3125in Bore x 5/16-24 - Alloy Steel