Yale 524150797 Maintenance Manual page 13

8000 YRM 0231
Size and Pitch
1/2 1/2 13 UNC 20
UNF
9/16 9/16 12 UNC 18
UNF
5/8 5/8 11 UNC 18
UNF
3/4 3/4 10 UNC 16
UNF
7/8 7/8 9 UNC 14
UNF
1 1 8 UNC 14
UNF
1-1/8 1-1/8 7 UNC 12
UNF
1-1/4 1-1/4 7 UNC 12
UNF
1-3/8 1-3/8 6 UNC 12
UNF
1-1/2 1-1/2 6 UNC 12
UNF
* Unless otherwise specified
3
Property Class 8.8 Approximately equal to metric Property Class 10.9
Table 6. Torque Values for Inch Fasteners* (Continued)
1
Grade 2
lbf ft N•m
37 41 50 56
53 59 72 80
73 83 99 110
130 145
125 140
185 210
265 300
375 415
490 560
650 735
1
Approximately equal to metric Property Class 5.8
Grade 5
lbf ft
57 85
82 91
115 130
175 200 225
195
170 320 355
185
255 485 540
285
360 595 670
405
510 840 930 1,140 1,260 1,360 1,500 1,850 2,050
565
665 1,100 1,250 1,490 1,700 1,780 2,040 2,420 2,760
760
885 1,460 1,650 1,980 2,230 2,370 2,670 3,210 3,620
995
2
Grade 8
N•m lbf ft
77 115 80 90
110 125 115 130
155 175 160 180
270 300 280 315
435 480 455 500
655 735 680 765
805 905 965 1,080
2
Approximately equal to metric
General
3
N•m
110 120
155 175
215 245
380 425
615 680
925 1,040
1,310 1,470
9