Oregon 480RT - Metric Series Torque Chart

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BOLT TORQUE CHART
Metric Series Torque Chart
Metric Bolt Head Identification
Metric
Grade 8.8
Metric
Grade 10.9
Diameter &
Thread Pitch
(Millimeters) Wrench Size
Coarse Thread Fine Thread
Diameter &
Thread Pitch
(Millimeters)
Marking on Head Marking on Head
Metric 8.8 Metric 10.9 Metric 8.8 Metric 10.9
N-m lbs-ft N-m lbs-ft N-m lbs-ft N-m lbs-ft
6 x 1.0 10 mm 8 6 11 8 8 6 11 8 6 x 1.0
8 x 1.25 13 mm 20 15 27 20 21 16 29 22 8 x 1.0
10 x 1.5 16 mm 39 29 54 40 41 30 57 42 10 x 1.25
12 x 1.75 18 mm 68 50 94 70 75 55 103 76 12 x 1.25
14 x 2.0 21 mm 109 80 151 111 118 87 163 120 14 x 1.5
16 x 2.0 24 mm 169 125 234 173 181 133 250 184 16 x 1.5
18 x 2.5 27 mm 234 172 323 239 263 194 363 268 18 x 1.5
20 x 2.5 30 mm 330 244 457 337 367 270 507 374 20 x 1.5
22 x 2.5 34 mm 451 332 623 460 495 365 684 505 22 x 1.5
24 x 3.0 36 mm 571 421 790 583 623 459 861 635 24 x 2.0
30 x 3.0 46 mm 1175 867 1626 1199 1258 928 1740 1283 30 x 2.0
Typical Washer
Installations
Lock Washer
Flat Washer
Bolt