TB 9-5120-202-24
Table 2. Types, Classes and Styles of Torque Wrenches.
Type
Class
Style
Style A: Direct reading (fig. 1)
Type I - Deflecting beam
Class 1 - Indicator plate
Style B: Direct reading with
audible signal (fig. 2)
Style A: Direct reading (fig. 3)
Class 2 - Indicator dial
Style B: Direct reading with
audible signal (fig. 4)
Type II - Rigid case with indicator
Style A: Direct reading (fig. 5)
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dial
Style B: Direct reading, presetting
audible signal (fig. 6)
Style C: Direct reading with flash-
light signal (fig. 7)
Type III - Rigid case, micrometer
Class 1 - Plain head (fig. 8)
---
presetting, audible signal
Class 2 - Ratchet, reversible head
Type IV - Tee handle, rigid case,
Class 1 - Torque set and sealed
---
ratchet, audible signal
Class 2 - Torque set adjustable
Type V - Rigid case preset audible
---
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signal (fig. 12)
Direct reading (fig. 13)
Torque screwdriver
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Figure 1. Type I, Class 1, Style A Torque Wrench, Deflecting Beam With Indicator Plate (Direct Reading).
Figure 2. Type I, Class 1, Style B Torque Wrench, Deflecting Beam With Indicator Plate
(Direct Reading With Audible Signal).
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