Torque Specifications; Standard Hardware And Lock Nuts - Blue Diamond SEVERE DUTY BRUSH CUTTER Operation And Maintenance Manual

Torque Specifications

Standard Hardware And Lock Nuts

BOLT
SAE GRADE 5
TYPE
Nominal Plated or
Size Unplated
Silver
55 in / lb
1/4
(6.2 N•m)
115 in / lb
5/16
(13 N•m)
17 ft / lb
3/8
(23 N•m)
27 ft / lb
7/16
(37 N•m)
42 ft / lb
1/2
(57 N•m)
60 ft / lb
9/16
(81 N•m)
83 ft / lb
5/8
(112 N•m)
146 ft / lb
3/4
(198 N•m)
142 ft / lb
7/8
(193 N•m)
213 ft / lb
1
(289 N•m)
Severe Duty Brush Cutter Operator's Manual
SAE GRADE 8
Plated W / Plated or
ZnCr Unplated
Gold Silver
72 in / lb 86 in / lb
(8.1 N•m) (9.7 N•m)
149 in / lb 178 in / lb
(17 N•m) (20 N•m)
22 ft / lb 26 ft / lb
(30 N•m) (35 N•m)
35 ft / lb 42 ft / lb
(47 N•m) (57 N•m)
54 ft / lb 64 ft / lb
(73 N•m) (87 N•m)
77 ft / lb 92 ft / lb
(104 N•m) (125 N•m)
107 ft / lb 128 ft / lb
(145 N•m) (174 N•m)
189 ft / lb 226 ft / lb
(256 N•m) (306 N•m)
183 ft / lb 365 ft / lb
(248 N•m) (495 N•m)
275 ft / lb 547 ft / lb
(373 N•m) (742 N•m)
Plated W / Plated or
ZnCr Unplated
Gold Silver
112 in / lb 121 in / lb
(12.6 N•m) (13.6 N•m)
229 in / lb 250 in / lb
(26 N•m) (28 N•m)
34 ft / lb 37 ft / lb
(46 N•m) (50 N•m)
54 ft / lb 59 ft / lb
(73 N•m) (80 N•m)
83 ft / lb 91 ft / lb
(113 N•m) (123 N•m)
120 ft / lb 130 ft / lb
(163 N•m) (176 N•m)
165 ft / lb 180 ft / lb
(224 N•m) (244 N•m)
293 ft / lb 319 ft / lb
(397 N•m) (432 N•m)
473 ft / lb 515 ft / lb
(641 N•m) (698 N•m)
708 ft / lb 773 ft / lb
(960 N•m) (1048 N•m)
Specifications
LOCK NUTS
Plated W /
ZnCr W / Grade
5 Bolt
Gold
157 in / lb 61 in / lb
(17.7 N•m) (6.9 N•m)
325 in / lb 125 in / lb
(37 N•m) (14 N•m)
48 ft / lb 19 ft / lb
(65 N•m) (26 N•m)
77 ft / lb 30 ft / lb
(104 N•m) (41 N•m)
117 ft / lb 45 ft / lb
(159 N•m) (61 N•m)
169 ft / lb 65 ft / lb
(229 N•m) (88 N•m)
233 ft / lb 90 ft / lb
(316 N•m) (122 N•m)
413 ft / lb 160 ft / lb
(560 N•m) (217 N•m)
667 ft / lb 258 ft / lb
(904 N•m) (350 N•m)
1000 ft / lb 386 ft / lb
(1356 N•m) (523 N•m)
W / Grade
8 Bolt
86 in / lb
(9.8 N•m)
176 in / lb
(20 N•m)
26 ft / lb
(35 N•m)
42 ft / lb
(57 N•m)
64 ft / lb
(88 N•m)
92 ft / lb
(125 N•m)
127 ft / lb
(172 N•m)
226 ft / lb
(306 N•m)
364 ft / lb
(494 N•m)
545 ft / lb
(739 N•m)
43