Cleco 35STHFC40Q Shut-Off Pulse Tool | 4000 RPM | 12- 26 (ft-lbs) Torque Range | Inline Lever

Built for controlled, repeatable fastening in production environments, the Cleco 35STHFC40Q Shut-Off Pulse Tool delivers a 12–26 ft-lbs torque range with a 7/16" quick change drive for bit-based assembly work on M5 to M8 fasteners. Its hydraulic pulse shut-off system (a fluid-driven pulse mechanism that automatically stops the tool at the preset torque) helps reduce reaction force compared with conventional impact tools, making it a strong fit for repetitive fastening where torque consistency and operator control are both important.

The inline lever configuration keeps the tool aligned with the fastener for straight, stable rundown, while the 4,000 RPM free speed supports fast cycle times on assembly lines and manufacturing workstations. With external torque adjustment, external speed control, reversible operation, and oilless blades, the 35STHFC40Q gives production teams a compact C-Series pulse tool for quick-change bit applications that require low reaction force and repeatable shut-off performance.

Type: Shut-Off Hydraulic Pulse Tool | Series: C-Series STHFC & STHF | Model: 35STHFC40Q | Grip Type: Inline Lever | Drive Size: 7/16" | Drive Type: Quick Change | Torque Range: 12–26 ft-lbs / 15–35 Nm | Free Speed: 4,000 RPM | Weight: 3.3 lbs / 1.5 kg | Air Inlet: 1/4" NPT | Minimum Hose I.D.: 3/8" | Air Consumption: 15.9 SCFM | Rated Air Pressure: 87 PSI / 6 bar | Bolt Size Range: M5–M8 / #10–3/8"

Features:

• Hydraulic pulse shut-off helps stop the tool at the preset torque for controlled, repeatable fastening.
• Motor governor equipped to help regulate rundown speed during use.
• External torque adjustment allows setup changes without opening the tool housing.
• External speed control helps tune the tool to the joint condition and fastening strategy.
• Reversible operation supports both tightening and fastener removal.
• Oilless blades help reduce internal lubrication requirements in the motor section.
• Inline lever start provides controlled activation while keeping the tool aligned with the fastener.
• Standard equipment includes suspension bail and torque adjusting wrench.

Made in USA:

Applications:

• Automotive and transportation assembly fastening brackets, covers, housings, and small structural components.
• General manufacturing stations tightening M5 to M8 fasteners with repeatable shut-off control.
• Appliance and equipment assembly where inline alignment helps maintain clean rundown on repeated cycles.
• Industrial production cells using 7/16" quick change bits for controlled screw and bolt fastening.
• Suspended tool setups where the included suspension bail helps manage tool weight during repeated fastening operations.

FAQs:

• Q: What does hydraulic pulse shut-off mean?
  A: Hydraulic pulse shut-off means the tool delivers torque through a pulse unit and stops when the preset torque is reached. This helps limit reaction force and supports more consistent fastening than a non-shut-off pulse tool.
• Q: What is the drive type on the Cleco 35STHFC40Q?
  A: The 35STHFC40Q uses a 7/16" quick change drive for compatible bits and bit holders. Buyers needing a 1/2" square drive socket version should review the related 35STHFC404 model.
• Q: What fastener sizes does this model cover?
  A: The C-Series STHFC and STHF range is listed for M5 to M8 fasteners, or #10 to 3/8" bolt sizes. Final selection should be based on the required torque, joint type, bit style, and production process.
• Q: Can torque and speed be adjusted externally?
  A: Yes. This model includes external torque adjustment and external speed control, allowing the tool to be tuned for the application. Torque should always be verified with proper torque testing equipment before production use.
• Q: What air setup is required for this pulse tool?
  A: The tool is rated at 87 PSI / 6 bar and lists 15.9 SCFM air consumption with a 1/4" NPT air inlet and 3/8" minimum hose I.D. A properly sized air line and FRL help maintain stable performance during repeated fastening cycles.

Looking for more information about Cleco Nutrunner? Click here to view the Catalog.

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