Rockwell Automation MPMA Integrated Multi-Axis Linear Stages User Manual
Page 129

Rockwell Automation Publication MPMA-UM001B-EN-P - November 2010
129
Mounting Bolts and Torque Values
Appendix E
Table 61 - Recommended Seating Torque for Brass Rb 72
Bolt Size
(1), (2)
UNC
UNF
Plain
Cadmium Plated
Plain
Cadmium Plated
Nm (lb
•
in)
Nm (lb
•
in)
Nm (lb
•
in)
Nm (lb
•
in)
#0
–
–
0.24 (2.1)
(3)
0.18 (1.6)
(3)
#1
0.43(3.8)
(3)
0.33 (2.9)
(3)
0.46 (4.1)
0.34 (3.0)
(3)
#2
0.71 (6.3)
(3)
0.53 (4.7)
(3)
0.77 (6.8)
(3)
0.58 (5.1)
(3)
#3
1.08 (9.6)
(3)
0.81 (7.2)
(3)
1.16 (10.3)
(3)
0.87 (7.7)
(3)
#4
1.52 (13.5)
(3)
1.1 (10)
(3)
1.67 (14.8)
(3)
1.24 (11)
(3)
#5
2.2 (20)
(3)
1.7 (15)
(3)
2.4 (21)
(3)
1.8 (16)
(3)
#6
2.8 (25)
(3)
2.1 (19)
(3)
3.2 (28)
(3)
2.4 (21)
(3)
#8
5.2 (46)
(3)
3.8 (34)
5.4 (48)
(3)
4.1 (36)
(3)
#10
7.6 (67)
(3)
5.6 (50)
(3)
8.6 (76)
(3)
6.4 (57)
(3)
1/4
15.3 (136)
11.5 (102)
15.4 (136)
11.5 (102)
5/16
25.8 (228)
19.3 (171)
25.8 (228)
19.3 (171)
3/8
53.7 (476)
40.3 (357)
53.7 (476)
40.3 (357)
7/16
76.8 (680)
57.6 (510)
76.8 (680)
57.6 (510)
(1) Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2) Torque is based on 60,000 psi bearing stress under the head of the bolt.
(3) Denotes torques based on 100,000 psi tensile stress with threads up to one inch in diameter.