The lug nuts used on a 2019 Toyota Tacoma are M12 x 1.5 with a conical (tapered) seat, tightened to about 80–83 ft-lbs (108–113 Nm) using a 21 mm lug wrench/socket, and they fit a 6x139.7 mm bolt pattern. This is the typical configuration for stock wheels, but always verify when using aftermarket parts.
Understanding the lug nut specifics for the Tacoma
Knowing the exact lug nut specs helps ensure you buy the right replacements and install wheels safely. Below are the core measurements and how they apply to the Tacoma’s factory setup.
Lug nut specifications
Before listing the key specs, here is the essential reference you’ll need when shopping for replacements or checking compatibility.
- Thread size and pitch: M12 x 1.5
- Seat type: Conical (tapered) seating
- Hex size for installation: 21 mm
- Bolt pattern on the vehicle: 6 x 139.7 mm (6x5.5 inches)
- Material/finish: OEM steel lug nuts with zinc coating (typical for stock wheels)
These specs summarize the factory configuration most Tacomas use. If your wheels or studs differ, confirm with the wheel manufacturer or a Toyota dealer before purchasing replacements.
Torque and installation guidelines
To install wheels safely, follow these guidelines on torque and re-check procedures.
- Recommended torque: 80–83 ft-lbs (108–113 Nm)
- Torque sequence: Tighten in a star or criss-cross pattern to ensure even seating
- Re-torque reminder: Re-torque the lug nuts after 50–100 miles (80–160 km) of driving, or after any wheel rotation
- OEM vs. aftermarket: If using aftermarket wheels or lug nuts, verify thread size, seat type, and hex size with the manufacturer and maintain the proper torque
Following these torque and installation practices helps prevent wheel stud damage and ensures wheels stay secure during normal driving and off-road use.
Special cases: aftermarket wheels and locking nuts
Some Tacoma owners upgrade to aftermarket wheels that may use different lug nut specifications or locking lug nuts. In these cases, the bolt pattern can remain the same, but thread size, seat type, or hex size may vary. Always consult the wheel manufacturer and use the appropriate lug nuts and keys if locking nuts are installed. If in doubt, have a professional install the wheels to avoid safety risks.
Summary
The 2019 Toyota Tacoma generally uses M12 x 1.5 lug nuts with a conical seat, a 21 mm hex, and a 6x139.7 mm bolt pattern, torqued to about 80–83 ft-lbs (108–113 Nm). For aftermarket wheels or locking nuts, verify all specifications with the seller or a qualified technician and follow proper torque practices to maintain wheel security.


