Astro Tools 401K6 6-Piece Heavy Duty THOR Air Hammer Bit Set – .401 Shank

Overview

Meet the Astro Tools 401K6, a compact 6-piece set built to keep pace with demanding air hammer work. Central to its design is the THOR hammer alloy, engineered for a harder surface that resists wear while retaining toughness under heavy use. This kit is purpose-built to pair with modern high-power air hammers, delivering a reliable balance of aggressiveness and control that helps you complete metal shaping, chiseling, and cutting tasks with consistency.

What’s inside

• 2 cold chisels for precise material removal
• 3 cutters to shape, notch, and trim
• 1 7-inch hammer for impactful, controlled blows

Performance you can feel

• Harder surface than many standard bits, with high toughness to reduce chips and cracks
• Durable construction designed for long life in high-power air hammer applications
• Optimized for compatibility with modern, high-output tooling

Real-world use

In fabrication shops, automotive bays, and demolition sites, this set shines when you need steady material removal and shaping. The combination of chisels, cutters, and a sturdy hammer delivers a tactile sense of control as metal meets tool, with sparks, rhythmic blows, and a satisfying bite that translates into smooth, measurable results. While individual outcomes vary, the kit is designed to help you tackle steel, cast iron, and forged components with confidence.

Quality and longevity

• Hardened bits built for modern high-power air hammers
• THOR alloy delivers a harder surface with high toughness to cut down on chipping

Getting the most from your set

Pair the 401K6 with compatible air tools, follow recommended pressure guidelines, and inspect bits for wear before each session. A light lubrication routine and mindful handling can help maintain smooth operation and extend the life of these essential components.