CURT Hex Flange Wheel Nut - 5/8"-18 (Retail Packaging) Model 2024039634 Molded Series They also mount with grade-8

They also mount with grade-8 hardware

The 1705440 Buyers Underbody Box is one of the best underbody truck boxes for your money

No drilling required for installation

GTW and 525 lbs

CURT Hex Flange Wheel Nut - 5/8"-18 (Retail Packaging) Model 2024039634 Molded Series They also mount with grade-8CURT 2024039634 Hex Flange Wheel Nut 5 8" 18 (Retail Packaging) Model 2024039634 Lippert flange nuts are universal and an industry standard. Please consult your original equipment before purchasing. Be sure to inspect and maintain your equipment periodically for optimal performance. Thread size: 5 8" 18 UNF Hex size: 1 1 8" Flange diameter: 1 5 8" Height: 1 1 16" This item ships in a retail clam shell package