Free PDF guide
Bolt Torque Chart for Mechanics
Metric and SAE bolts, spark plugs, wheels and tightening sequences, with N·m, lb·ft and kgf·m conversions.
- 6-page PDF, ready to print or read on your phone
- Instant download, plus a copy of the link in your inbox
- Free in exchange for your email
- Available in English and Spanish
The chart every shop needs at hand: tightening torques for metric 8.8, 10.9 and 12.9 bolts and SAE grade 5 and 8, in N·m and lb·ft, with how to identify each bolt by its head.
It includes spark plug torques by thread and head material, lug nut ranges, star and cylinder head tightening sequences, other common values and a conversion table between N·m, lb·ft and kgf·m.
What the guide covers
- How to tell which bolt you have
- 5 rules that prevent stripped threads
- Metric 8.8, 10.9 and 12.9 torques
- SAE grade 5 and grade 8 torques
- Spark plugs, lug nuts and tightening sequences
- N·m, lb·ft and kgf·m conversions
