Cleco 120PTHHA304 Shut-Off Model Hydraulic Pulse Tool | H Series | Pistol Grip | 3000 RPM | 1/2" Square Drive | 55 - 55 (ft-lbs) Torque Range

Built for controlled fastening on production assemblies, the Cleco 120PTHHA304 H Series shut-off hydraulic pulse tool combines a pistol grip body, 3,000 RPM free speed, and 1/2" square drive for fast rundown on medium-to-large threaded fasteners. The hydraulic pulse mechanism delivers torque through short hydraulic impulses, helping reduce the reaction force felt by the operator compared with conventional impact-style fastening tools.

The shut-off model automatically stops once the preset torque target is reached, making the 120PTHHA304 a strong fit for assembly stations where repeatability, joint consistency, and reduced over-tightening are important. Its H Series configuration is suited to industrial fastening work in automotive assembly, machinery production, appliance manufacturing, and general plant assembly, where a pneumatic tool with lower vibration and controlled torque output is preferred.

Type: Hydraulic Pulse Tool | Series: H Series | Model: 120PTHHA304 | Configuration: Shut-Off Model | Grip Style: Pistol Grip | Free Speed: 3,000 RPM | Drive Size: 1/2" Square Drive | Torque Range: 55 - 55 ft-lbs | SKU: 120PTHHA304

Features:

• Shut-off pulse mechanism stops the tool once the preset torque is reached, helping improve repeatability on production fastening work.
• Hydraulic pulse technology delivers torque through controlled oil pulses, reducing the reaction force typically felt with direct-impact fastening tools.
• 3,000 RPM free speed supports quick rundown before final torque is reached, helping keep assembly cycles moving.
• 1/2" square drive accepts compatible square-drive sockets for medium-to-higher torque assembly applications.
• Pistol grip layout gives operators a familiar trigger-style hold for horizontal, vertical, and bench assembly stations.
• H Series design is used for industrial fastening where torque control, lower vibration, and consistent joint quality are important.
• External torque adjustment capability supports setup for specific fastener and joint requirements when used by trained personnel.

Applications:

• Automotive assembly — tightening brackets, subassemblies, frame components, and other repeat fasteners where controlled shut-off is required.
• Industrial production lines — fastening metal-to-metal joints in fixtures, machinery assemblies, and repeat station work.
• Appliance and equipment manufacturing — running down bolts and nuts where consistent torque helps protect product quality.
• Maintenance and repair operations — controlled reassembly of machinery components after service or rebuild work.
• Tool cribs and assembly departments — standardizing pneumatic fastening tools for operators working with 1/2" square drive sockets.

FAQs:

• Q: What does a shut-off hydraulic pulse tool do?
  A: A shut-off hydraulic pulse tool runs the fastener down and then stops automatically when the preset torque point is reached. This helps reduce over-tightening and improves repeatability compared with manually controlled fastening.
• Q: How is a pulse tool different from an impact wrench?
  A: A pulse tool uses a hydraulic pulse unit to deliver short torque impulses with reduced reaction force. An impact wrench uses a mechanical hammering mechanism and is typically selected for loosening or high breakaway torque rather than controlled production assembly.
• Q: Can the 120PTHHA304 be used with standard 1/2" drive sockets?
  A: Yes, this model uses a 1/2" square drive. Always use impact-rated sockets that match the fastener size and application requirements.
• Q: Is this tool intended for torque-critical assembly?
  A: Yes, the shut-off design makes it appropriate for controlled fastening where repeatability matters. Final process validation should still be performed with calibrated torque verification equipment according to your quality procedure.
• Q: What air preparation should be used with this tool?
  A: Use clean, regulated compressed air and follow the manufacturer’s lubrication and air supply requirements. Proper air preparation helps maintain tool performance and reduces premature wear.

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Need help selecting the correct Cleco Pulse Tools for your application? Please call (800) 608-5210 or email info@intlairtool.com