# Screw Feeding Tightening Module

The Screw Feeding Tightening Module loads the screw and performs the tightening process. It consists of the Driving Tool and the Screw Feeding Front Part. The modules are connected together via a threaded sleeve (union nut). When delivered, the Driving Tool and the Screw Feeding Front Part are connected. If an exchange is necessary, the two modules may only be separated by Atlas Copco service technicians.

For more information, refer to the Screw Feeding Tightening Module Product Instructions.

For more information on the Driving Tools, refer to the product page of the specific model:

Driving Tool | Product Number
--- | ---
ETD ES21-02-SF | 8436 0222 02
ETD ES21-04-SF | 8436 0222 04
ETD ES21-07-SF | 8436 0222 07
ETD SL21-01-SF | 8433 2201 01
ETD SL21-04-SF | 8433 2201 04
ETD SL21-07-SF | 8433 2201 07
ETD SL21-10-SF | 8433 2201 10
ETV ES21-04-SF | 8433 2201 14
ETV ES21-07-SF | 8433 2201 17