16
56713B/K2079B
Revised
2.19.15
Bolt Torque and ID
Decimal System
Metric System
All Torques in Ft. Lbs.
Bolt Size
Grade 5
Grade8
Bolt Size
Class 9.8 Class 10.9 Class 12.9
5/16
15
20
M6
5
9
12
3/8
30
45
M8
18
23
27
7/16
45
60
M10
32
45
50
1/2
65
90
M12
55
75
90
9/16
95
130
M14
85
120
145
5/8
135
175
M16
130
165
210
3/4
185
280
M18
170
240
290
1/2-13x1.75 HHCS
Grade 5
Grade 8
M12-1.25x50 HHCS
(No. of Marks + 2)
G = Grade (Bolt Strength)
P = Property Class (Bolt Strength)
D = Nominal Diameter (Inches)
D = Nominal Diameter (M illimeters)
T = Thread Count (Threads per Inch)
T = Thread Pitch (Thread Width, mm)
L = Length (Inches)
L = Length (M illimeters)
X = Description (Hex Head Cap Screw)
X = Description (Hex Head Cap Screw)
D
D
L
L
T
T
D T
L
X
D
T
L
X
G
P
