Astro Pneumatic 401K Thor Long Barrel Air Hammer/Riveter, 0.401 inch Shank

Astro Pneumatic 401K Thor Long Barrel Air Hammer/Riveter, 0.401 inch Shank

• Astro Pneumatic 401K Thor long barrel air hammer/riveter delivers maximum power for heavy duty automotive and industrial tasks. It features a 3-5/8 inch stroke with a ported valve body and a tilt valve trigger for precise power control, plus internal brake vibration damping for reduced fatigue. Primary keyword: air hammer.
• Features:
  • Long barrel with 3-5/8 inch stroke provides strong impact for chiseling and rivet work
  • Ported valve body and tilt valve trigger allow sensitive, on-tool power adjustment to match the task
  • Internal brake vibration damping system improves comfort and control during extended use
  • Quick change chuck speeds bit swaps to minimize downtime
  • Accepts standard 0.401 inch shank chisels and accessories for broad compatibility across shops
  • Rotatable forward grip supports stable two-hand control in tight or awkward positions
• Specifications:
  • Manufacturer: Astro Pneumatic
  • Part Number: 401K
  • Alternate Part Numbers / Cross References: AO401K
  • Category: Air tools
  • Subcategory: Air hammers
  • Product Type / Function: Long barrel air hammer and riveter
  • Chisel Shank Size: 0.401 inch
  • Piston Stroke: 3-5/8 inch
  • Stroke Speed: 2,100 BPM
  • Air Inlet: 1/4 inch NPT
  • Hose Size: 3/8 inch
  • Operating Pressure: 90 psi
  • Length: 10.25 inch
  • Net Weight: 5.31 lb
  • Included Feature: Quick change chuck; Hi-Flo fittings suggested
  • System Compatibility or Application: Uses standard 0.401 inch shank chisels; general purpose automotive and industrial metalworking
  • Quantity: Single tool
• The Thor Long Barrel Air Hammer/Riveter can also be referred to as air hammer, long barrel air hammer, pneumatic riveter, 0.401 inch shank air hammer, and air chisel.

Astro Pneumatic Tool Company supplies professional automotive tools, pneumatic tools, and shop equipment for technicians and industrial users, with a broad portfolio spanning air tools, hand tools, and specialty service solutions.

Q: Which bits does the 401K accept?
A: It accepts standard 0.401 inch shank chisels and accessories used on most automotive and industrial air hammers.

Q: What air setup is recommended?
A: Use 90 psi with a 3/8 inch hose and a 1/4 inch NPT inlet; Hi-Flo fittings are suggested for best performance.

Q: What are the stroke speed and stroke length?
A: The tool delivers 2,100 BPM with a 3-5/8 inch piston stroke for high-impact chiseling and riveting.