Cummins Drift Truck a la Dum-Dum

[Piggy]

Yeah the flat blade always does I've found...maybe the bosch gurus have a better way... But I've always used a fixed head 3/8 with a flat blade socket on it, then a set of small vicegrips on the head of the machine screw itself (not the socket or screwdriver) and apply force on both.

Ive seen people use little impact wrenches (smack with a hammer) but I'd be worried about breaking the housing