Hex Head SDS

Insert and centre 8mm hex nut setter in the drill machine’s chuck.

Check for any metal shavings build-up inside the nut-setter after-which place a screw into the hex adapter.

Slow press trigger till drilling tip of the screw rests against metal. Increase speed when screw finds centre.

Stop drilling when the head of the self-drilling screw tightens against the surface of the metal.