ADJUSTMENTS 11
en-91
11.24 TORQUE SPECIFICATION___________________________________________________
Jacobsen uses Grade 5 Plated bolts as standard unless otherwise noted. For tightening plated bolts use the value
given for lubricated.
11.25SPECIFIC TORQUE ________________________________________________________
Rear Axle Shaft.............150 ft. lbs. (203 Nm)
Tire Lug Nuts.................85-95 ft. lbs (115-128 Nm)
T890 Battery Posts........95-120 in. lbs. (10.7-13.5 Nm)
12 Volt Battery Posts.....80 in. lbs. (9 Nm)
NOTICE
All torque values included in these charts are approximate and are for reference only. Use of these torque values is
at your sole risk. Jacobsen is not responsible for any loss, claim, or damage arising from the use of these charts.
Extreme caution should always be used when using any torque value.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE UNITS GRADE 5 GRADE 8 SIZE UNITS GRADE 5 GRADE 8
Lubricated Dry Lubricated Dry Lubri-
cated
Dry Lubri-
cated
Dry
#6-32 in-lb (Nm) – 20 (2.3) – – 7/16-14 ft-lb (Nm) 37 (50.1) 50 (67.8) 53 (71.8) 70 (94.9)
#8-32 in-lb (Nm) – 24 (2.7) – 30 (3.4) 7/16-20 ft-lb (Nm) 42 (56.9) 55 (74.6) 59 (80.0) 78 (105)
#10-24 in-lb (Nm) – 35 (4.0) – 45 (5.1) 1/2-13 ft-lb (Nm) 57 (77.2) 75 (101) 80 (108) 107 (145)
#10-32 in-lb (Nm) – 40 (4.5) – 50 (5.7) 1/2-20 ft-lb (Nm) 64 (86.7) 85 (115) 90 (122) 120 (162)
#12-24 in-lb (Nm) – 50 (5.7) – 65 (7.3) 9/16-12 ft-lb (Nm) 82 (111) 109 (148) 115 (156) 154 (209)
1/4-20 in-lb (Nm) 75 (8.4) 100 (11.3) 107 (12.1) 143 (16.1) 9/16-18 ft-lb (Nm) 92 (124) 122 (165) 129 (174) 172 (233)
1/4-28 in-lb (Nm) 85 (9.6) 115 (13.0) 120 (13.5) 163 (18.4) 5/8-11 ft-lb (Nm) 113 (153) 151 (204) 159 (215) 211 (286)
5/16-18 in-lb (Nm) 157 (17.7) 210 (23.7) 220 (24.8) 305 (34.4) 5/8-18 ft-lb (Nm) 128 (173) 170 (230) 180 (244) 240 (325)
5/16-24 in-lb (Nm) 173 (19.5) 230 (26.0) 245 (27.6) 325 (36.7) 3/4-10 ft-lb (Nm) 200 (271) 266 (360) 282 (382) 376 (509)
3/8-16 ft-lb (Nm) 23 (31.1) 31 (42.0) 32 (43.3) 44 (59.6) 3/4-16 ft-lb (Nm) 223 (302) 298 404 315 (427) 420 (569)
3/8-24 ft-lb (Nm) 26 (35.2) 35 (47.4) 37 (50.1) 50 (67.8) 7/8-14 ft-lb (Nm) 355 (481) 473 (641) 500 (678) 668 (905)
METRIC FASTENERS
SIZE UNITS
Non Critical
Fasteners
into
Aluminum
Lubricated Dry Lubricated Dry Lubricated Dry Lubricated Dry
M4 Nm (in-lb) – – – – – – 3.83 (34) 5.11 (45) 2.0 (18)
M5 Nm (in-lb) 1.80 (16) 2.40 (21) 4.63 (41) 6.18 (54) 6.63 (59) 8.84 (78) 7.75 (68) 10.3 (910 4.0 (35)
M6 Nm (in-lb) 3.05 (27) 4.07 (36) 7.87 (69) 10.5 (93) 11.3 (102) 15.0 (133) 13.2 (117) 17.6 (156) 6.8 (60)
M8 Nm (in-lb) 7.41 (65) 9.98 (88) 19.1 (69) 25.5 (226) 27.3 (241) 36.5 (323) 32.0 (283) 42.6 (377) 17.0 (150)
M10 Nm (ft-lb) 14.7 (11) 19.6 (14) 37.8 (29) 50.5 (37) 54.1 (40) 72.2 (53) 63.3 (46) 84.4 (62) 33.9 (25)
M12 Nm (ft-lb) 25.6 (19) 34.1 (25) 66.0 (48) 88.0 (65) 94.5 (70) 125 (92) 110 (81) 147 (108) 61.0 (45)
M14 Nm (ft-lb) 40.8 (30) 54.3 (40) 105 (77) 140 (103) 150 (110) 200 (147) 175 (129) 234 (172) 94.9 (70)