BF-Series (Mini Electric Screwdrivers BF035 & BF045) Operation Instructions
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1080 North 11th Street, San Jose, CA 95112 Phone: (408) 292-2214 Fax: (408) 292-2733
www.mountztorque.com
Page 7
Torque Charts
These charts are meant to be used as guidelines for setting the torque on the BF-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.
How to Read the Torque Charts
Torque ranges (lbf.in) approximate tightening torque. Figures below each chart indicate scale setting on the tool. Some
drivers have more than one spring. Select the appropriate spring to achieve the desired torque setting.
BF035
1 2
3 4
5 6
Torque Scale
1
2
3
4
5
6
7
8
lbf.in
7 8
S (Silver)
Z (Bronze)
Torque Range
0.6 - 3 lbf.in
Torque Range
0.17 - 1 lbf.in
BF045
1 2
3 4
5 6
Torque Scale
1
2
3
4
5
6
7
8
lbf.in
7 8
S (Silver)
Z (Bronze)
Torque Range
0.7 - 3.9 lbf.in
Torque Range
0.35 - 1.5 lbf.in
