The ornamental design for a hacksawframe, as shown and described.
FIG. 1 is a perspective view of a hacksaw frame showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is the first perspective view of a hacksaw frame in use state;
FIG. 9 is the second perspective view thereof in use state; and,
FIG. 10 is the third perspective view thereof in use state.
The broken lines in FIGS. 1, 4-7 illustrate portions of the hacksaw frame and the broken lines in FIGS. 8-10 showing a hacksaw frame are for the purposes of illustrating environment, all broken lines form no part of the claimed design.