17 results found that include 54 products. Find a variety of high-quality air hammer options at Grainger. General-duty and industrial-grade air hammers can help provide fast and easy metal forging and fabricating. These pneumatic tools use compressed air to help drive into a workpiece to help shape, mark or smooth it. Choose a rugged air chipping hammer to help break up concrete.
besieging - the action of an armed force that surrounds a fortified place and isolates it while continuing to attack. beleaguering, military blockade, siege. blockade, encirclement - a war measure that isolates some area of importance to the enemy.
a rapid movement of troops from a besieged place to attack the besiegers. 2. a body of troops involved in such a movement. 3. the flying of an airplane on a combat mission. verb (used without object), sortied, sortieing. 4. to go on a sortie; sally forth.