Echo 72928 Owners Manual v.6 - Manual (Page 30)

9 INCH CHIPPER 28
SPECIFICATIONS
6.2 bolT TorQue
engliSh
bolT diameTer
bolT TorQue *
Sae 2 Sae 5 Sae 8
(n.m.) (ft-lbs.) (n.m.) (ft-lbs.) (n.m.) (ft-lbs.)
1/4” 7.5 5.5 9.5 9 17 12.5
5/16” 15 11 25 18 35 26
3/8” 27 20 44 33 63 46
7/16” 44 32 70 52 100 75
1/2” 67 50 110 80 150 115
9/16” 95 70 155 115 225 160
5/8” 135 100 215 160 300 225
3/4” 240 175 375 280 550 400
7/8” 240 175 625 450 875 650
1” 360 270 925 675 1300 975
1-1/8” 510 375 1150 850 1850 1350
1-1/4” 725 530 1650 1200 2600 1950
meTric
bolT diameTer
bolT TorQue *
4.8 8.8 10.9 12.9
M3 0.5 0.4 - - - - - -
M4 3 2.2 - - - - - -
M5 5 4 - - - - - -
M6 6 4.5 11 8.5 17 12 19 14.5
M8 15 11 28 20 40 30 47 35
M10 29 21 55 40 80 60 95 70
M12 50 37 95 70 140 105 165 120
M14 80 60 150 110 225 165 260 190
M16 125 92 240 175 350 255 400 300
M18 175 125 330 250 475 350 560 410
M20 240 180 475 350 675 500 800 580
M22 330 250 650 475 925 675 1075 800
M24 425 310 825 600 1150 850 1350 1000
M27 625 450 1200 875 1700 1250 2000 1500
SAE - 8 SAE - 2
A
SAE - 5 SAE
Grade
and
Head
Markings
BOLT DIAMETER
10.9 4.8
A
8.8 METRIC
Grade
and
Head
Markings
BOLT DIAMETER 12.9
4.8 8.8 10.9 12.9
The tables below are for reference purposes only and its use by anyone is entirely voluntary, unless otherwise noted.
Reliance on its contents for any purpose is at the sole risk of that person. Bear Cat is not responsible for any loss or
damage resulting from the use of this information. In developing these tables, Bear Cat has made a determined effort
to present the contents accurately.
* Torque value for bolts and capscrews are
identified by their head markings.
Torque figures indicated above are valid
for non-greased or non-oiled threads
and heads unless otherwise specified.
Therefore, do not grease or oil bolts or
capscrews unless otherwise specified in
this manual. When using locking elements,
increase torque values by 5%.