Rockwell Automation CHPS-250 Linear Stage Installation User Manual
Page 106

106
Rockwell Automation Publication CHPS-UM001D-EN-P - July 2014
Appendix E Mounting Bolts and Torque Values
Table 16 - Recommended Seating Torque for Mild Steel Rb 87 or Cast Iron Rb 83
UNC
UNF
Plain
Cadmium Plated
Plain
Cadmium Plated
Bolt Size
(1), (2)
N•m (lbf•in)
N•m (lbf•in)
N•m (lbf•in)
N•m (lbf•in)
#0
—
—
0.24 (2.1)
(3)
0.18 (1.6)
(3)
#1
0.44 (3.89)
(3)
0.53 (4.7)
(3)
0.46 (4.1)
(3)
0.34 (3.0)
(3)
#2
0.71 (6.3)
(3)
0.53 (4.7)
(3)
0.76 (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)
1.13 (10)
(3)
1.67 (14.8)
(3)
1.2 (11)
(3)
#5
2.3 (20)
(3)
1.7 (15)
(3)
2.37 (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)
(3)
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
17.8 (158)
(3)
13.4 (119)
(3)
20.3 (180)
(3)
15.4 (136)
(3)
5/16
36.8 (326)
(3)
27.7 (245)
(3)
40.7 (360)
(3)
30.5 (270)
(3)
3/8
65.5 (580)
(3)
49.1 (435)
71.7 (635)
53.7 (476)
7/16
105 (930)
(3)
78.9 (698)
(3)
117.5 (1,040)
(3)
88.1 (780)
(3)
1/2
160 (1,420)
(3)
172.8 (1,530)
(3)
254.2 (2,250)
190.9 (1,690))
(3)
(1) Mounting hardware is 1960-series socket head cap bolt that meets or exceeds ANSI B18.3.
(2) Torque is based on 80,000 psi bearing stress under the head of the bolt.
(3) Denotes torque based on 100,000 psi tensile stress, with threads up to one inch in diameter.