Lay out the parts like so.

Thread one of the pointed screws into the threaded hole. Make sure point is facing down.

Thread the screw so that enough is sticking out on each side

Secure the pointed screw with the securing nut. Make sure that this nut is not on the same side as the pointed end.

Take the other pointed screw.

Take the chamfered nut, it will have an edge removed from it.

Screw the pointed screw and chamfered nut together like so. The chamfered edge and point should face the same direction.

Put the screw & nut into the slot so that both points are on the same side.

Turn over the tool body and make sure that enough thread is poking out the top.

Take the last securing nut and secure the sliding screw and Chamfered nut to the tool body.