Aopin Round U-Bolts 1-1/2 inch 38mm M6 Inner Width 304 Stainless Steel 8pcs Self-Locking Nylon Insert Hex Nuts Flat Washers for Car/Motorhome/Sailing Trailer Replacement Part and Accessorie 4Pack
- STOP: ONLY USE a Hand Socket Ratchet or wrench to run the nuts up and tighten..
- DO NOT USE an impact or powered socket driver. Ignoring this instruction will cause U-Bolt Galling / Seizing / Breaking / Failure / Expletives / Sawzall. Let's keep it Fun, and Successful..
- U-Bolt Size: 1/2" Diam x 3- 1/16" Inside Width x 4- 5/16" Inside Height (Length).
- Attention: When measuring for Your needed Height (Length), add 1" for the nut and washer..
- Threading: 1/2"-13 with a thread length of 2- 1/2"..
- U-Bolts and hardware are made out of 304 Stainless Steel..
- These U-Bolts will fit on 3" x 3" cross members, such as 3" x 3" box steel..