INTRODUCTION
1A-5
TORQUE VALUES
Torque values are given in the “Torque Specifications
Chart.” Special torque values are called out in illustra-
tions and text throughout this manual.
Torque Specifications – Standard
AMERICAN NATIONAL STANDARD FASTENERS
SIZE UNITS
GRADE 5 GRADE 8
Lubricated Dry Lubricated Dry
#6-32 in-lb (Nm) – 20 (2.3) – –
#8-32 in-lb (Nm) – 24 (2.7) – 30 (3.4)
#10-24 in-lb (Nm) – 35 (4.0) – 45 (5.1)
#10-32 in-lb (Nm) – 40 (4.5) – 50 (5.7)
#12-24 in-lb (Nm) – 50 (5.7) – 65 (7.3)
1/4-20 in-lb (Nm) 75 (8.4) 100 (11.3) 107 (12.1) 143 (16.1)
1/4-28 in-lb (Nm) 85 (9.6) 115 (13.0) 120 (13.5) 163 (18.4)
5/16-18 in-lb (Nm) 157 (17.7) 210 (23.7) 220 (24.8) 305 (34.4)
5/16-24 in-lb (Nm) 173 (19.5) 230 (26.0) 245 (27.6) 325 (36.7)
3/8-16 ft-lb (Nm) 23 (31.1) 31 (42.0) 32 (43.3) 44 (59.6)
3/8-24 ft-lb (Nm) 26 (35.2) 35 (47.4) 37 (50.1) 50 (67.8)
7/16-14 ft-lb (Nm) 37 (50.1) 50 (67.8) 53 (71.8) 70 (94.9)
7/16-20 ft-lb (Nm) 42 (56.9) 55 (74.6) 59 (80.0) 78 (105)
1/2-13 ft-lb (Nm) 57 (77.2) 75 (101) 80 (108) 107 (145)
1/2-20 ft-lb (Nm) 64 (86.7) 85 (115) 90 (122) 120 (162)
9/16-12 ft-lb (Nm) 82 (111) 109 (148) 115 (156) 154 (209)
9/16-18 ft-lb (Nm) 92 (124) 122 (165) 129 (174) 172 (233)
5/8-11 ft-lb (Nm) 113 (153) 151 (204) 159 (215) 211 (286)
5/8-18 ft-lb (Nm) 128 (173) 170 (230) 180 (244) 240 (325)
3/4-10 ft-lb (Nm) 200 (271) 266 (360) 282 (382) 376 (509)
3/4-16 ft-lb (Nm) 223 (302) 298 404 315 (427) 420 (569)
7/8-14 ft-lb (Nm) 355 (481) 473 (641) 500 (678) 668 (905)
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