Quick change adapter plates are used to adapt testing machines to different specimen widths. It allows form and shave tools to be slid on and off the adapter plate, while leaving the plates attached to the machine.

Quick change circular tool post holds circular form or shave tools with the same common dovetail design. Its worm screw has been placed on top of the holder. It allows easier adjustment and easier accessibility. It provides quick and safe removal of the cutting head from the shank. The shank and the cutting head have corresponding mating teeth in order to prevent rotation of the cutting head relative to the shank.

Quick change drill holders consist of floating front plate and bolts at the top of plate. It is used in either rotating or stationary form. An adjusting screw is provided in shank to prevent drill from slipping back. The rotational adjustment allows drill to clear adjacent tooling when installed in any position.