T
Torque Chart - orque Chart - Nuts and BoltsNuts and Bolts
Graphic IllustrationGraphic Illustration
of Torqueof Torque
Force - 100 lbs.Force - 100 lbs.
(100 N)(100 N)
12” or 1’12” or 1’
(1 m)(1 m)
TTorque - 100 ft-lbs. or orque - 100 ft-lbs. or 1200 in-lbs.1200 in-lbs.
(100(100
NN
⋅⋅
m)m)
Lever Arm or Wrench HandleLever Arm or Wrench Handle
Force - 200 lbs.Force - 200 lbs.
(200 N)(200 N)
6” or 1/2’6” or 1/2’
(1/2 m)(1/2 m)
TTorque - 100 ft-lbs. orque - 100 ft-lbs. or 1200 in-lbs.or 1200 in-lbs.
(100(100
NN
⋅⋅
m)m)
Lever Arm or Wrench HandleLever Arm or Wrench Handle
NOTE:NOTE: These charts These charts are intended as are intended as a guide fora guide for
the wrench torque that should be applied to tight-the wrench torque that should be applied to tight-
ening nuts and bolts, studs, or capscrews whenening nuts and bolts, studs, or capscrews when
no torque is no torque is specified on the specified on the assembly print orassembly print or
separate instructions. separate instructions. A steady A steady pressure shouldpressure should
be applied be applied to the torque to the torque wrench until the wrench until the torquetorque
value is obtvalue is obtained. ained. A jerking A jerking action on taction on the torquehe torque
wrench may not yield the proper torque value.wrench may not yield the proper torque value.
When tightening a bolt with a slotted nut, torque toWhen tightening a bolt with a slotted nut, torque to
the lower value shown on the applicable chart.the lower value shown on the applicable chart.
Then continue to tighten until the hole in the boltThen continue to tighten until the hole in the bolt
and the slot in and the slot in the nut line up. the nut line up. Nuts must be Nuts must be ofof
the same SAE grade as the bolts on the chart.the same SAE grade as the bolts on the chart.
When nuts and bolts are of different grades, useWhen nuts and bolts are of different grades, use
the torque value for the lower of the two grades.the torque value for the lower of the two grades.
These charts are not intended for use in seating aThese charts are not intended for use in seating a
stud in a stud in a housing. housing. The torque values, The torque values, listed in thelisted in the
charts, are the maximum and minimum dry torquecharts, are the maximum and minimum dry torque
values. values. TTo convert dry to convert dry torque values to lubricatedorque values to lubricated
torque values, multiply the max. or min. dry torquetorque values, multiply the max. or min. dry torque
value by 75% value by 75% (.75). (.75). Lubricated is defined Lubricated is defined as oil-as oil-
coated bolts, Loctitecoated bolts, Loctite
coated bolts, plated bolts orcoated bolts, plated bolts or
bolts used with hardened flatwashers.bolts used with hardened flatwashers.
Recommended Torque, Foot-pounds (ft-lbs) / NewtonRecommended Torque, Foot-pounds (ft-lbs) / Newtonmeters (Nmeters (Nm)m)
SSAAE E GGrraadde e 55 SSAAE E GGrraadde e 88 1122ppt t FFeerrrry y HHeeaad d CCaappssccrreeww
NF ThreadsNF Threads
TToorrqquuee TToorrqquuee TToorrqquuee
fftt--llbbss ((NN
mm)) fftt--llbbss ((NN
mm)) fftt--llbbss ((NN
m)m)
1/4 - 281/4 - 28
5/16 - 245/16 - 24
9 9 - - 10 10 (12 (12 - - 13)13)
17 17 - - 19 19 (23 (23 - - 26)26)
13 13 - - 14 14 (18 (18 - - 19)19)
23 23 - - 25 25 (31 (31 - - 34)34)
15 15 - - 17 17 (20 (20 - - 23)23)
31 31 - - 34 34 (42 (42 - - 46)46)
3/8 - 243/8 - 24
7/16 - 207/16 - 20
32 32 - - 35 35 (43 (43 - - 48)48)
50 50 - - 55 55 (68 (68 - - 75)75)
45 45 - - 50 50 (61 (61 - - 68)68)
72 72 - - 80 80 (98 (98 - - 109)109)
59 59 - - 65 65 (80 (80 - - 88)88)
92 92 - - 102 102 (125 (125 - - 138)138)
1/2 - 201/2 - 20
9/16 189/16 18
81 81 - - 90 90 (110 - (110 - 122)122)
108108 120120 (146(146 163)163)
108 108 - - 120 120 (146 (146 - - 163)163)
153153 170170 (208(208 231)231)
135 135 - - 150 150 (183 (183 - - 203)203)
NANA
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