Astro 3-Piece Heavy Duty Thor Air Hammer Bit Set .401 Shank (401K3)

3-Piece Heavy Duty THOR Air Hammer Bit Set .401 Shank

Astro’s new proprietary THOR hammer alloy specifically developed for air hammer bits used in the highest power air hammersProvides a harder surface than competing bits without the usual drawbacks by also delivering high toughness that reduces chips and cracksIncludes 3 .401″ shank 1″ diameter hammering bits in 4″, 7″ and 12″ lengths