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🔩 Metric Bolts

Standard coarse-thread metric hex bolts (M2 to M30). Wrench size, thread pitch, tap drill and typical class 8.8 torque for each.

Size	Wrench	Pitch	Torque
M2 bolt	4 mm	0.4 mm	0.4 Nm (0.3 ft·lb)
M2.5 bolt	5 mm	0.45 mm	0.7 Nm (0.5 ft·lb)
M3 bolt	5.5 mm	0.5 mm	1.3 Nm (1 ft·lb)
M4 bolt	7 mm	0.7 mm	3 Nm (2.2 ft·lb)
M5 bolt	8 mm	0.8 mm	6 Nm (4.4 ft·lb)
M6 bolt	10 mm	1.0 mm	10 Nm (7.4 ft·lb)
M8 bolt	13 mm	1.25 mm	25 Nm (18.4 ft·lb)
M10 bolt	17 mm	1.5 mm	49 Nm (36 ft·lb)
M12 bolt	19 mm	1.75 mm	85 Nm (63 ft·lb)
M14 bolt	22 mm	2.0 mm	135 Nm (100 ft·lb)
M16 bolt	24 mm	2.0 mm	210 Nm (155 ft·lb)
M18 bolt	27 mm	2.5 mm	290 Nm (214 ft·lb)
M20 bolt	30 mm	2.5 mm	410 Nm (302 ft·lb)
M22 bolt	32 mm	2.5 mm	550 Nm (406 ft·lb)
M24 bolt	36 mm	3.0 mm	710 Nm (524 ft·lb)
M27 bolt	41 mm	3.0 mm	1050 Nm (774 ft·lb)
M30 bolt	46 mm	3.5 mm	1450 Nm (1069 ft·lb)

All metric bolts