Komatsu WA320-6 User Manual

FOREWORD STANDARD TIGHTENING TORQUE
WA320-6 00-33
12
STANDARD TIGHTENING TORQUE 00
Standard Tightening Tables 00
For Bolts and Nuts 00
★ Tighten metric nuts and bolts to the torque shown in this table, unless there are special instructions.
★ The following table applies to the bolts in Figure A.
★ Figure A
Thread Diameter
of Bolt
Width across Flats Tightening Torque
mm mm N•m kgm lbf ft
6 10 11.8 – 14.7 1.2 – 1.5 8.70 – 10.84
8 13 27 – 34 2.8 – 3.5 19.91 – 25.08
10 17 59 – 74 6.0 – 7.5 43.52 – 54.58
12 19 98 – 123 10.0 – 12.5 72.28 – 90.72
14 22 157 – 196 16 – 20 115.80 – 144.56
16 24 245 – 309 25 – 31.5 180.70 – 227.91
18 27 343 – 427 35 – 43.5 252.98 – 314.94
20 30 490 – 608 50 – 62 361.40 – 448.44
22 32 662 – 829 67.5 – 84.5 488.27 – 611.44
24 36 824 – 1,030 84 – 105 607.75 – 759.69
27 41 1,180 – 1,470 120 – 150 870.32 – 1,044.22
30 46 1,520 – 1,910 155 – 195 1,121.09 – 1,408.74
33 50 1,960 – 2,450 200 – 250 1,445.62 – 1,807.03
36 55 2,450 – 3,040 250 – 310 1,807.03 – 2,242.19
39 60 2,890 – 3,630 295 – 370 2,131.55 – 2,677.35

Komatsu WA320-6 Specifications

General

Brand	Komatsu
Model	WA320-6
Category	Construction Equipment
Language	English