STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
260M BOLTS
280M OR BETTER
THREAD
THREAD
SIZE
(lb-ft)
Nm
SIZE
(lb-ft)
Nm
Grade identification markings are normally stamped on the heads of the bolts. To aid identification of the various
bolts used in Detroit Diesel engines. refer to the following chart.
BOLT IDENTIFICATION CHART
11B-128