Standard Torque Data For Nuts And Bolts; Standard Torque Data For Nuts And Bolts Table - Dover HEIL DuraPack Python Service Manual

18

STANDARD TORQUE DATA FOR NUTS AND BOLTS

The following recommended torque data is for use as a general guideline. Recommended torque, in foot pounds, for all
Standard Application nuts and bolts provided in the following table.
NOTICE
Torque specifications on a drawing override torque values in the Standard Torque Data for Nuts and Bolts Table.
All thread surfaces are clean and lubricated with SAE-30 engine oil. See notice above.
Joints are rigid, that is no gaskets or compressible materials are used
When re-using nuts or bolts use minimum torque values

STANDARD TORQUE DATA FOR NUTS AND BOLTS TABLE

Bolt Size Nut Type
(D) (STD/Lock)
1/4 STD
0.25
Lock
5/16 STD
.3125
Lock
3/8 STD
.375
Issued July 2024
General Information
General Information
Thread Heil Plain Dry
Turns per Condition
Inch Torque Value
(p) Grade (ft-lbs)
20 5 9
8 13
28 5 10
8 15
20 5
8
28 5
8
18 5 19
8 27
24 5 21
8 29
18 5
8
24 5
8
16 5 33
8 47
24 5 38
8 54
Heil Zinc
Plated
Fastener Heil Lubricated
Torque Fastener
Value Torque Value
(ft-lbs) (ft-lbs)
8 6
12 8
9 7
13 10
17 12
24 17
19 14
27 19
30 22
42 31
34 25
48 35
Copyright 2024, The Heil Co.
Heil Deformed
Lock Nut
Torque Value
(ft-lbs)
6
8
7
10
12
17
14
19
Printed in the U.S.A.