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Torque Wrench Calculator

Get the recommended torque in Nm for metric bolts M6–M24. Select bolt size, grade and lubrication to get the correct setting.

Bolt Details

Bolt Size

Bolt Grade

Thread Condition

Set Your Torque Wrench To

—

Newton-metres (Nm)

ft·lb (for reference)

Torque Reference — Grade 8.8 Oiled (Nm)

Bolt Size	Grade 4.6	Grade 8.8	Grade 10.9	Grade 12.9
M6	3 Nm	8 Nm	12 Nm	14 Nm
M8	8 Nm	20 Nm	28 Nm	34 Nm
M10	15 Nm	40 Nm	55 Nm	65 Nm
M12	26 Nm	70 Nm	95 Nm	115 Nm
M14	42 Nm	110 Nm	155 Nm	185 Nm
M16	65 Nm	170 Nm	240 Nm	280 Nm
M20	125 Nm	330 Nm	465 Nm	560 Nm
M24	215 Nm	570 Nm	800 Nm	960 Nm

Note: Values are for oiled threads. For dry threads, increase by ~15–20%. Always consult the manufacturer's specification for safety-critical applications.

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