Metric Series Torque Chart - Oregon 480RC Original Instruction Manual

Metric Series Torque Chart

Diameter &
Thread Pitch
(Millimeters) Wrench Size
6 x 1.0 10 mm
8 x 1.25 13 mm
10 x 1.5 16 mm
12 x 1.75 18 mm
14 x 2.0 21 mm
16 x 2.0 24 mm
18 x 2.5 27 mm
20 x 2.5 30 mm
22 x 2.5 34 mm
24 x 3.0 36 mm
30 x 3.0 46 mm
Typical Washer
Installations
Bolt
Metric
Grade 8 8
Coarse Thread
Marking on Head
Metric 8.8 Metric 10.9
N-m lbs-ft N-m
8 6 11
20 15 27
39 29 54
68 50 94
109 80 151
169 125 234
234 172 323
330 244 457
451 332 623
571 421 790
1175 867 1626
Lock Washer
Metric Bolt Head Identification
Marking on Head
Metric 8.8
lbs-ft N-m lbs-ft
8 8 6
20 21 16
40 41 30
70 75 55
111 118 87
173 181 133
239 263 194
337 367 270
460 495 365
583 623 459
1199 1258 928
Flat Washer
BOLT TORQUE CHART
Metric
Grade 10 9
Fine Thread
Metric 10.9
N-m lbs-ft
11 8
29 22
57 42
103 76
163 120
250 184
363 268
507 374
684 505
861 635
1740 1283
Diameter &
Thread Pitch
(Millimeters)
6 x 1.0
8 x 1.0
10 x 1.25
12 x 1.25
14 x 1.5
16 x 1.5
18 x 1.5
20 x 1.5
22 x 1.5
24 x 2.0
30 x 2.0
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