Bolt Torque - Demco Kar-Kaddy SS Operation Manual

TORQUE DATA FOR STANDARD NUTS, BOLTS, AND CAPSCREWS.
Tighten all bolts to torques specified in chart unless otherwise noted. Check tightness of bolts
periodically, using bolt chart as guide. Replace hardware with same grade bolt.
NOTE: Unless otherwise specified, high-strength Grade 5 hex bolts are used throughout as-
sembly of equipment.
Torque Specifications
Torque Lug Nuts to 120 FT/LBS
Torque figures indicated 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%.
* GRADE or CLASS value for bolts
and capscrews are identified by their
head markings.
A

BOLT TORQUE

"A"
lb-ft
1/4" 6
5/16" 10
3/8" 20
7/16" 30
1/2" 45
9/16" 70
5/8" 95
3/4" 165
7/8" 170
1" 225
"A"
lb-ft
6 9
7 15
8 23
10 45
12 78
14 125
16 194
18 268
20 378
22 516
24 654
GRADE-2 GRADE-5
Bolt Torque for Standard bolts *
GRADE 2 GRADE 5
(N.m) lb-ft
(8) 9
(13) 18
(27) 30
(40) 50
(60) 75
(95) 115
(130) 150
(225) 290
(230) 420
(300) 630
Bolt Torque for Metric bolts *
CLASS 8.8 CLASS 9.8
(N.m) lb-ft
(13) 10
(21) 18
(31) 25
(61) 50
(106) 88
(169) 140
(263) 216
(363) --
(513) --
(699) --
(886) --
Torque 11MM caliper bolts to 40 ft/lbs
GRADE-8 CLASS 8.8
8.8
10
GRADE 8
(N.m) lb-ft (N.m)
(12) 12 (16)
(25) 25 (35)
(40) 45 (60)
(70) 80 (110)
(100) 115 (155)
(155) 165 (220)
(200) 225 (300)
(390) 400 (540)
(570) 650 (880)
(850) 970 (1310)
CLASS 10.9
(N.m) lb-ft (N.m)
(14) 13 (17)
(24) 21 (29)
(34) 31 (42)
(68) 61 (83)
(118) 106 (144)
(189) 170 (230)
(293) 263 (357)
-- 364 (493)
-- 515 (689)
-- 702 (952)
-- 890 (1206)
CLASS 9.8 CLASS 10.9
9.8 10.9