Simplicity 1692243 - Manual (Page 3)

TORQUE SPECIFICATIONS FOR
STANDARD MACHINE HARDWARE
SEE
SAE GRADE
0
N m . Nm. Nm.
8-32 19 2.1
8-38 20 2.3
27 3.1
31 3.5
66 7.8
78 8.8
15.
12 18.3
20 27.2
31.3
40.8
35 47.8
50 88.
55 74.8
85 88.4
75 102.
1 90 122.4
100 138.
0 180 217.8
8
180 244.8
140 190.4
4 155 210.8
l-8 220 299.2
l-12 240 328.4
SAE GRADE
30 3.4
31 3.5
43 4.9
49 5.5
10.9
10 13.8
17 23.1
19 25.8
30 40.8
35 47.8
50 88.
55 74.8
75 102.
90 122.4
110 149.8
120 183.2
150 204.
180 244.8
280 353.8
300 408.
400 544.
440
598.4
580 788.8
840 870.4
SAE GRADE
41
43
80
68
12
14
25
25
45
50
70
80
110
120
150
170
220
240
388
420
800
880
900
1,000
4.8
4.9
8.8
7.7
18.3
19.
34.
34.
81.2
68.
95.2
108.8
149.8
183.2
204.
231.2
299.2
328.4
525.
571.2
818.
897.6
1,224.
1.360.
NOTE: BOLT HEAD MARKING
S.A.E. GRADE:
1. These torque values are to be used for
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
2. seating torque values for locknuts:
a. For prevailing locknuts use 65% of grade 5
torques.
b. For flange nuts (and screws) use 135%
of grade 5 torques.
3. Unless otherwise noted on assembly drawings all torque
values must meet this specification.