Lastec 621ER - Bolt Torque Value Guide

Maintenance
Torque Values
Maintenance Lastec//021819 5-6
5
5.8 Torque Values
Below is a table of suggested torque values for this unit. Please use these torque values
on this unit unless otherwise specified.
Grade
Units
SAE 5 SAE 8
Tensile
Strength
105000
PSI
150000
PSI
Grade Mark
Bolt
Dia.
Threads.
Per In.
Units SAE 5 SAE 8
6
8
10
10
12
1/4
1/4
5/16
5/16
3/8
3/8
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
7/8
1
32
32
24
32
24
20
28
18
24
16
24
14
20
13
20
12
18
11
18
10
16
9
14
8
in-lbs (Nm)
in-lbs (Nm)
in-lbs (Nm)
in-lbs (Nm)
in-lbs (Nm)
in-lbs (Nm)
in-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
ft-lbs (Nm)
20 (2.3)
24 (2.7)
35 (4.0)
40 (4.5)
50 (5.7)
95 (10.7)
95 (10.7)
17 (22.6)
20 (27.1)
30 (40.7)
35 (47.5)
50 (67.8)
55 (74.6)
75 (101.7)
85 (115.3)
105 (142.4)
115 (155.9)
150 (203.4)
160 (217.0)
170 (230.5)
175 (237.3)
302 (409.5)
300 (406.8)
466 (631.8)
-
30 (3.4)
45 (5.1)
50 (5.7)
65 (7.3)
125 (14.1)
150 (17.0)
23 (31.2)
25 (33.8)
40 (54.2)
45 (61.0)
65 (88.1)
70 (94.9)
100 (135.6)
110 (149.2)
135 (183.1)
150 (203.4)
195 (264.4)
210 (284.8)
220 (298.3)
225 (305.1)
473 (640.9)
400 (542.4)
714 (967.4)