For a 2019 Ford F-250, the standard lug nuts are 9/16-inch in diameter with 18 threads per inch, using a 60-degree conical (tapered) seat, and there are eight nuts per wheel. This describes the typical OEM setup, but aftermarket wheels can require different hardware.
Key specifications you’ll typically encounter
Use this quick reference when inspecting or replacing lug nuts for the factory wheels on a 2019 F-250.
- Thread size: 9/16" diameter, 18 threads per inch (9/16"-18)
- Seat type: 60-degree conical (tapered) seat
- Bolt pattern: 8 lug on a 170 mm circle (8x170 mm)
- Lug nuts per wheel: 8
- Nut type/material: standard steel lug nuts; some wheels may use locking nuts or closed-end variants
These specifications reflect the common OEM configuration for the 2019 F-250. If your wheels are aftermarket or you’re using locking nuts, verify compatibility with the wheel manufacturer or dealer.
What to know if you’re using aftermarket or different wheels
When wheels differ from the factory setup, lug nut size, seat type, and even the number of lugs can change. Here’s how to verify before ordering replacements or attempting installation.
- Check the wheel manufacturer’s documentation or website for the exact lug nut size and seat type required for your wheel
- Inspect your wheel and studs to confirm diameter and thread pitch if documentation isn’t readily available
- Ensure you use the correct seat type (typically 60-degree conical for most Ford wheels) to avoid improper seating
- If you have locking lug nuts, keep the key in a safe place and verify compatibility with your wheel
- Torque the lug nuts to the factory specification using a calibrated torque wrench, per the owner’s manual or wheel instructions
Using the wrong lug nuts or failing to torque properly can lead to unsafe mounting, vibration, or damage. When in doubt, consult a dealer or a qualified tire shop.
Summary
The 2019 Ford F-250’s typical lug nut setup is eight lug nuts per wheel, sized 9/16"-18 with a 60-degree conical seat and an 8x170 mm bolt pattern. If you’re using aftermarket wheels or locking nuts, always confirm the exact specifications with the wheel manufacturer or your owner’s manual to ensure proper fit and safe operation.