TIGHT-IT-UP
Lug Nuts and Bolts

TIGHT-IT-UP

Lug Nuts and Bolts

The correct wheel lug nut & bolt tightening torque for your car — by make, model and year. A free Android reference for mechanics and drivers.

▶ Get it on Google Play
lbf·ftN·mkgf·m

Works offline

The whole torque database is bundled in the app — no signal needed in the shop.

Broad coverage

46 makes, thousands of models and years, from the 1970s to 2025.

Three units

Every value in lbf·ft, N·m and kgf·m, so you read it the way your torque wrench is set.

Safety first

Correct torque prevents wheels coming loose, broken studs and stripped threads.

Reference only. Values are compiled from technical information publicly available on the internet and may contain errors — always confirm the torque in your vehicle's owner's manual before tightening.