Echo BEAR CAT CH6720H, Owner'S Manual

Page: 36 / 39

30
6 INCH CHIPPER
SPECIFICATIONS
SAE 2 SAE 5 SAE
Grade
and
Head
Markings
BOLT DIAMETER SAE 8
10.9 4.8 8.8 12.9
4.8
METRIC
Grade
and
Head
Markings
8.8 10.9 12.9
BOLT DIAMETER
The tables below are for reference purposes only and their use by anyone is entirely voluntary, unless otherwise noted.
Reliance on their content for any purpose is at the sole risk of that person and any loss or damage resulting from the
use of this information is the responsibility of that person.
7.1 BOLT TORQUE
*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%.
BOLT DIAMETER (A)
BOLT TORQUE*
SAE 2 SAE 5 SAE 8
NM FT-LB NM FT-LB NM FT-LB
1/4" 7.5 5.5 11 8 16 12
5/16" 15 11 23 17 34 25
3/8" 27 20 41 30 61 45
7/16" 41 30 68 50 95 70
1/2" 68 50 102 75 149 110
9/16" 97 70 149 110 203 150
5/8" 122 90 203 150 312 230
3/4" 217 160 353 260 515 380
7/8" 230 170 542 400 814 600
1" 298 220 786 580 1220 900
1-1/8" 407 300 1085 800 1736 1280
1-1/4" 570 420 2631 1940 2468 1820
BOLT
DIAMETER (A)
BOLT TORQUE*
4.8 8.8 10.9 12.9
NM FT-LB NM FT-LB NM FT-LB NM FT-LB
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