WERA 05075695001 Click-Torque Lock C 3 R/L Torque wrench, adjustable, Torque function, square head insert (1/2"), clockwise/counterclockwise torque operation, 40-200 Nm, 1/2" x 40-200 Nm 075657 1x 8001 A Bit Ratchet

1x 8001 A Bit Ratchet ¼": 1/4" x 87 mm

because only then can the thread rod penetrate through the bolt into the hollow shaft of the screwdriver

Afterwards you can check the set value using an off-the-shelf torque tester

So why settle for ordinary when you can have the extraordinary Knipex 8602180

Blade with reduced blade diameter with integrated protective insulation

WERA 05075695001 Click-Torque Lock C 3 R/L Torque wrench, adjustable, Torque function, square head insert (1/2"), clockwise/counterclockwise torque operation, 40-200 Nm, 1/2" x 40-200 Nm 075657 1x 8001 A Bit RatchetAdjustable torque wrench for controlled clockwise and counterclockwise torque operation. With 1 2" square head drive. The torque function can be deactivated (Torque Lock function), so that the tool can also be used for loosening. Easy setting and saving of the default value. The audible and tactile clicks on reaching the scale values facilitate the safe setting of the desired torque value. The robust release mechanism guarantees a clearly audible and