The ornamental design for a screwbitputtyknife, as shown and described.
FIG. 1 is a top perspective view of a screw bit putty knife showing our new design.
FIG. 2 is a bottom perspective view thereof.
FIG. 3 is a top plan view thereof.
FIG. 4 is a left elevational side view thereof.
FIG. 5 is a bottom plan view thereof
FIG. 6 is a right elevational side view thereof.
FIG. 7 is a front elevational view thereof.
FIG. 8 is a rear elevational view thereof; and,
FIG. 9 is another top perspective view thereof, with its screw bit in a drawn-out configuration.
The broken lines shown in the drawings are for the purpose of illustrating portions of the screw bit putty knife and form no part of the claimed design.