Astro Pneumatic 401K AST401K 0.401″ Shank “THOR” Long Barrel Air Hammer/Riveter
- Maximum power .401″ shank air hammer for heavy duty automotive and industrial applications
- Specifically developed THOR model with stroke length and ported valve body for power that matches or beats the top premium options from tool trucks
- Newly designed tilt valve trigger for sensitive power adjustment at your finger tips
- Features internal brake vibration damping system for less fatigue
- No nonsense design: A rotatable forward grip, sensitive trigger and industry leading power
- Includes quick change chuck, 10.25″ length, Hi-Flo fittings suggested
Specifications:
- Air Inlet: 1/4″ NPT
- Chisel Shank Size: 0.401”)
- Piston Stroke: 3-5/8″
- Stroke Speed: 2,100 BPM
- Net Weight: 5.31 LB
- Length: 10.25″
- Hose Size: 3/8″
- Air Pressure: 90 PSI










