Axle End Steel High Tensile Cap Screws 1-1/8 Inch Dia, 7 Unc-2A, 2 1/2 Inch Thread Length For Aar Approved Ctrb Class-K & Class-F Of. Specification No Ab/Rb-41-2016 & Is 1367 Pt .3, Ci P8.8, Drg. No. Wd-18016-S-01 (Alt.2, Item No. 2) [ Warranty Period: 30 Months After The Date Of Delivery ] ]