Rjsphh Trailer Axle Spring Shackle Greaseable Spring Bolt 9/16 X 3 (14Pcs)

??Outside Diameter – 0.5625′, 7/16′-20 Thread | ??Knurled Shoulder Prevents Bolt From Spinning In Hanger Bracket. Includes Grease Zerk And Lock Nut. | ??This Bolt Is Drilled Out With A Grease Zerk On The End! (Used On Most Trailer Axles From 2000#, 3500#, 5200#, 6000# And 7000# Axles) | ??Keep Trailer Suspensions Lubricated With The Greaseable Spring Bolt For Mounting Double Eye Or Slipper Style Axle Springs To Hanger Brackets Or Equalizers | ?? 1 Year Warranty For It.If You Have Any Problem ,Please Contact Us And We Will Respond You On 24 Hours