Setting a Screwdriver's Torque

Express Assembly screwdrivers use external torque adjustment knobs to achieve a torque setting.    These knobs are very easy to use and allow a screwdrivers torque to be set at any value between its maximum and minimum torque settings.  Our screwdrivers come with an external grid (see figure 1) and associated torque chart (see figure 2 ) that can be used to approximately set a screwdriver’s torque.   The torque grid on the screwdriver is matched to the “Mark” column in the torque chart to approximate a screwdrivers torque setting.

Figure  1                                                                              Figure 2

For assembly applications that require exact torque setting it is recommended that a torque meter (see figure 3) is used to set the screwdriver’s torque and that the screwdriver’s torque setting is checked at a regular interval.  For these applications it is also recommended that a torque cover (see figure 4) is used to help protect the screwdriver’s torque setting from being accidently modified.  The torque cover simple covers the screwdriver’s torque knob to ensure that it is not changed during usage. 

Figure 3                                                                              Figure 4

Express Assembly Products
199 Rt 101 • P.O. Box 369 • Amherst, NH 03031
TOLL FREE 1-866-863-2302 • (603) 424-5590 • Fax: (603) 424-5595
email: info@expressassembly.com