Torque calculator
Guidance for general assembly. If the manufacturer publishes a figure, always use theirs instead.
Screw size
Threads into
Target range
46 N·cm – 68 N·cm
Full strength threads.
Hex key for M2.5: 2.0 mm. Standard pitch 0.45 mm.
If you have no torque driver
Turn until the head just touches, then a small extra nudge — roughly an eighth of a turn on anything M3 or smaller. Under M2, use only your fingertips on the driver handle. Most stripped electronics screws come from a full hand grip on a tiny screw.
Thread locker and torque guide →