The present invention is generally directed to a bit assembly that includes, but is not limited to: a bit securing sub-assembly including a bit holder member that defines a recess having a first portion extending in a first direction, and a second portion extending from the first portion along a second direction that is not parallel to the first direction； a bit mechanically connected to the bit holder member and positioned within the recess by a fastening hardware that extends through co-axially aligned holes formed in the bit holder member and the bit； and a bit shielding sub-assembly comprising a bit shielding member mechanically connected to and extending from the second portion of the bit holder in a third direction that is substantially parallel to and spaced from the first direction； wherein the bit shielding member is structured, positioned, and/or located to at least partially shield the bit in the first direction.
