Taylor-Dunn ET-015-00, Operation, T Roubleshooting And Replacement Parts Manual, Page: 163 / 166

Appendixes
Appendix B
Page 5
Appendixes
Diameter
and TPI
Grade 2
Tightening
Torque
(ft-lb)
Grade 5
Tightening
Torque
(ft-lb)
Grade 8
Tightening
Torque
(ft-lb)
L'9
Tightening
Torque
(ft-lb)
1/4-20 4-7 7-10 10-14 11
1/4-28 5-8 8-12 11-16 12
5/16-18 9-14 14-21 20-29 22
5/16-24 10-15 15-23 22-33 25
3/8-16 16-24 25-37 35-52 40
3/8-24 18-27 28-42 40-59 45
7/16-14 26-38 40-59 56-84 65
7/16-20 29-43 44-66 62-93 70
1/2-13 39-59 60-90 85-128 95
1/2-20 44-66 68-102 96-144 110
9/16-12 56-84 87-131 123-184 140
9/16-18 63-94 97-146 137-206 160
5/8-11 78-117 120-180 170-254 195
5/8-18 88-132 136-204 192-288 225
3/4-10 138-207 213-319 301-451 350
3/4-16 154-231 238-357 336-504 390
7/8-9 222-334 344-515 485-728 565
7/8-14 245-367 379-568 534-802 625
1-8 333-500 515-773 727-1091 850
1-14 373-560 577-866 815-1222 930
1.125-7 472-708 635-953 1030-1545 1700
1.125-12 530-794 713-1069 1156-1733 1850
1.25-7 666-999 896-1344 1454-2180 2950
1.25-12 738-1107 993-1489 1610-2414 3330
Suggested Torque Values (non-critical hardware)