What size socket for Ford F250 lug nut?
Ford F-250 lug nuts typically require a 13/16-inch (21 mm) socket for most factory wheels, though some configurations—especially with aftermarket wheels or certain trims—may need a 7/8-inch (22 mm) socket. Always verify for your specific truck and wheel setup.
Common lug-nut socket sizes on the F-250
The two hex sizes you’re most likely to encounter cover the majority of wheels used on Ford F-250 pickups. The exact size depends on the wheel design and year.
- 13/16 inch (21 mm) hex: This is by far the most common size for F-250s with stock wheels and many OEM lug-nut styles.
- 7/8 inch (22 mm) hex: Some aftermarket wheels, heavy-duty options, or certain trims may use this larger hex.
In practice, 13/16" (21 mm) fits most stock configurations. If your wheels look like they might require a larger hex, or you’re installing aftermarket wheels, verify before proceeding.
How to verify your exact size
Because lug-nut sizing can vary by year, trim, and wheel configuration, the fastest way to confirm is to check official sources or measure the hex directly.
- Check the owner’s manual or the door placard for the lug-nut size and torque specification.
- Inspect the lug nut on one wheel and measure the across-flats distance with a caliper or ruler to compare against 13/16" (21 mm) and 7/8" (22 mm).
- If you have aftermarket wheels or a nonstandard setup, contact the wheel manufacturer or a qualified tire shop to confirm the correct hex size.
Verifying ensures you use the correct tool and helps avoid stripping lug nuts or improper fastener seating.
Torque and safety guidelines
Once you’ve identified the correct socket size, torque the lug nuts to the manufacturer’s specification using a torque wrench in a star or crisscross pattern. Recheck torque after driving a short distance to account for settling.
- Torque specification: For most Ford F-250 models, lug-nut torque falls in roughly the 140–180 ft-lbs range, but always follow the exact figure printed on your owner’s manual or door placard.
- Use a quality torque wrench, work on a level surface, and ensure the wheel and hub surfaces are clean before torquing.
- Re-torque after an initial 50–100 miles of driving (or as directed by the manual) to ensure proper seating.
Adhering to the correct torque values promotes proper wheel retention and safe vehicle operation.
Summary
For most Ford F-250 trucks, a 13/16" (21 mm) socket will fit the lug nuts used by factory wheels. However, some wheels—especially aftermarket or heavy-duty variants—may require a 7/8" (22 mm) socket. Always verify with the owner’s manual, the door placard, or by measuring the lug nuts directly, and torque to the official specification with a proper torque wrench.
