TM 5-3895-373-20
APPENDIX F
TORQUE LIMITS
SECTION I. INTRODUCTION
F.1.
SCOPE.
This appendix provides general torque limits for hex
head cap screws, bolts, and set screws for the 780T
bituminous asphalt paving machine.
F.2.
EXPLANATION OF TABLES FOR CAP
SCREWS. BOLTS, AND SET SCREWS.
a. Torque values are based on plain, unplaced
hardware that has been degreased and dried. The
values are also based on clamping steel to steel. All
torque values, including special cases, are identified in
the applicable task. If a task torque value differs from a
corresponding table value, the task value must be used.
b. Section II. Torque Limits for Hex Head Cap
Screws and Bolts. This table lists torque values for SAE
Grade 8 fasteners. Grade 8 fasteners can be identified
by 6 radial dashes on the head, each set 60° apart.
c. Section III. Torque Limits for Set Screws.
This section consists of two tables that list torque values
for U.S. standard and metric set screws. Torque values
will be for SAE Grade 5 or ISO Class 8.8 unless
otherwise stated.
F.3.
HOW TO USE TORQUE TABLES FOR CAP
SCREWS, BOLTS, AND SET SCREWS.
a. Measure the shaft diameter of the cap screw
or bolt to be installed.
b. Determine the number of threads per inch.
c. Locate the fastener in the left-hand column
by both diameter and threads per inch.
d. Look across the row to obtain the torque limit
in Ib-ft or N•m.
F-1
