Cleco 20PTHH403 Shut-Off Pneumatic Pulse Tool is designed to deliver fast, accurate, and consistent fastening for high-volume industrial applications. Part of Cleco’s trusted H-Series, it combines high speed with low-reaction pulse technology, giving operators better control and reduced fatigue during long shifts.
With a powerful 4,000 RPM rundown speed, this tool helps improve productivity by completing fastening tasks quickly while still maintaining precision. The built-in shut-off mechanism automatically stops the tool once the preset torque is reached, preventing over-tightening and ensuring reliable, repeatable results across all assemblies. Equipped with a sturdy 3/8" Square Drive, the 20PTHH403 works well with a wide range of sockets, making it suitable for automotive, manufacturing, and general assembly environments. Its ergonomic design, reduced vibration, and smooth pulse action help create a comfortable and efficient workplace.
Type: Pulse Tool | Drive Size (in.): 3/8 | Drive Type: Square | Max Torque Range: 14.8 ft-lb / 34 Nm | Free Speed (RPM): 4,000 | Hose I.D. (in.): 1/2 | Air Consumption (SCFM): 8.70 | Air Inlet Size (in.): 1/4
Features:
- Market leading repeatability, unmatched accuracy and is low maintenance
- Inertia shut-off, a low noise level, an efficient 3 chamber air motor, external speed control and an oil less blades reversible torque signal port
- Light weight
![]()
Tech Tip: To increase tool performance, extend tool life and lessen repair costs use it with a Filter-Regulator-Lubricator (FRLs)

Looking for more information about Cleco Tool? Click here to view the Catalog
Need help selecting the correct Cleco Pulse Tools for your application? Please call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov

