prime mover smx45 Master Service Manual page 45

Types of
Fasteners
Studs
Hex Nuts
Hex Slotted Nuts
Hex Flange Nuts
© BT Prime-Mover, Inc.
Return
Table 2. Stud and Nut Designations
Inch Fasteners
Strength Levels: SAE Grades
*
Markings Not Required
5* 5.2*
8* 8.1
2 5 8
or
Markings Not Required
Markings Not Required
Master Service Manual
F-code
PT
Inch (SAE) and Metric Fasteners
Version no
001
Metric Fasteners
Strength Levels: Property Classes
*
Markings Not Required
4.6* 4.8* 5.8*
4.8 5.8
4.6
9.8 10.9 12.9
9.8
10.9 12.9
or
Optional Geometric Symbols for
Size M5 through M11.
8
5
5 8
5 8
10 12
or
10 12
12
10
5 8 9
5 8 9
5 8 9
8 9
5
2004-01-12
Section C-code
M1.1
T-code
SMX
8.8
8.8
Markings
for size
M5 and
Larger
9
9
9
10 12
10 12
10 12
12
10
43