The JET 550644 JCT-3644 4 in. Stroke Round Shank Open Handle Chipping Hammer has the option of round or hex shaped bushing shanks. Each model can accommodate standard oval collared chisels and retainers, making these heavy-duty Chipping Hammers a staple on any construction site.

• Heat treated cylinder and piston for added durability
• Open style forged handle is engineered to dissapate the impact energy more efficiently reducing user fatigue and increasing safety
• Heavy-Duty, industry proven valve design
• Comes with standard type retainer
• Performace @ 90 PSI. Air Inlet NPT 3/8". Min Hose Size 1/2"

• Shank Bushing Style - Round
• Shank Bushing Size (In.) - 0.680
• Piston Stroke (In.) - 4
• Bore Size (In.) - 1-1/8
• Blows Per Minute (BPM) - 1,400
• Energy Per Blow @ 90 PSI (Ft.) (Lb.) - 22
• Air Inlet (NPT/In.) - 3/8
• Min. Air Hose (ID/In.) - 1/2
• Air Pressure (PSI) - 90
• Air Consumption (CFM) - 9
• Noise Level (dB) (A) - 97.5
• Vibration Value (m/s) - 23.5
• Overall Length (In.) - 16-5/8
• Weight (Lbs.) - 18

(1) JET 550644 JCT-3644 4 in. Stroke Round Shank Open Handle Chipping Hammer