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 hammers
- Provides a harder surface than competing bits without the usual drawbacks by also delivering high toughness that reduces chips and cracks
- Includes 3 .401″ shank 1″ diameter hammering bits in 4″, 7″ and 12″ lengths






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