Definition
A striking tool with a head made of tightly rolled or compressed rawhide (untanned animal hide), used in aircraft maintenance to deliver blows that will not mar, dent, or scratch the surface of the part being struck.
Plain English
A hammer with a soft leather head. It hits hard enough to move a part but is soft enough not to damage the metal.
Context Anchor
Seen in aircraft maintenance and sheet-metal work when a mechanic needs to move or shape a part without damaging its surface.
Derivation
Rawhide is animal skin that has been cleaned and dried but not tanned, leaving it tough and slightly springy. Mallet comes from the Old French maillet, meaning a small hammer. Together, the name simply describes a small hammer with a head made of this tough but non-marring material.
Why Pilots Care
Using the correct striking tool prevents surface damage that could lead to stress concentrations or require costly rework on flight-critical structures.
Intuition Check
A rawhide mallet is not interchangeable with a rubber or wooden mallet; only the untanned hide provides the exact combination of firmness and non-marring contact needed for precision aircraft work.
Example Sentence 1
The mechanic used a rawhide mallet to seat the wheel half against the bearing without marking the polished surface.
Example Sentence 2
After riveting, the mechanic tapped the flush rivet heads with a rawhide mallet to seat them without scratching the paint.