Corporate Headquarters:
1080 North 11th Street, San Jose, CA 95112 Phone: (408) 292-2214 Fax: (408) 292-2733
www.mountztorque.com
Torque Reference Charts
These charts are meant to be used as guidelines for setting the torque on the E-Series electric screwdrivers. The drivers
have a torque scale on the torque adjustment nut showing reference numbers. These numbers determine the approximate
torque setting. Refer to the charts to determine the reference number setting for your torque requirement.Torque ranges
(lbf.in) approximate tightening torque. Figures below each chart indicate scale setting on the tool.
Color of Springs: S = Silver
B = Blue
K = Black
Y = Yellow
6
5
4
3
2
1
lbf.in
Torque Scale
E201
Y
Torque Range
0.8-4.8 lbf.in
E251
1 2
3 4
5 6
Torque Scale
2
4
6
8
10
12
14
16
lbf.in
7 8
B
Torque Range
1.7 - 10 lbf.in
1
2
3 4
5 6
7 8
E301
1 2
3 4
5 6
Torque Scale
2
6
8
10
12
14
16
lbf.in
7 8
18
20
22
S
Torque Range
3.4-15.7 lbf.in
E301-HT
1 2
3 4
5 6
Torque Scale
2
4
6
8
10
12
14
16
lbf.in
7 8
18
20
22
K
Torque Range
6.9-26 lbf.in
24
26
E - D I V ® E - S e r i e s E 2 0 1 , 2 5 1 , 3 0 1 & 3 0 1 - H T Operating Instructions
Rev 2.0 (January 16, 2012)
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