--- title: CLF-Series Robotic Electric Screwdrivers – FAQ & User Guide description: Learn about the Mountz CLF-Series robotic electric screwdrivers, including available models, torque ranges, front-flange mounting, CLT-AY transformer compatibility, setup, maintenance, and applications for automated and fixtured production fastening. --- - Chat - [Contact Us](https://go.mountztorque.com/contact-us?_gl=1*1t1uhd0*_gcl_au*MjMwOTIyMTI2LjE2ODU1OTU4Mjc.&_ga=2.126080644.843342068.1685595827-2758410.1685595827&hsLang=en-us) - [Sign in](https://www.mountztorque.com/secure/checkout.ssp?is=login&login=T&fragment=login-register&hsLang=en-us) - [![mountztorque](https://mountztorque.com/hubfs/MO18001_Logo_H_Color_Tag_RGB.svg)](https://www.mountztorque.com/?hsLang=en) - North America:[(408) 850-9978](tel:4088509978) - International:[+44 1428 741756](tel:441428741756) - [Shop Products](https://www.mountztorque.com/Product-Type) - [Learning Center](https://www.mountztorque.com/Learning-Center) - [About Us](https://www.mountztorque.com/about-us) - [Service and Calibration](https://go.mountztorque.com/usa-service?_gl=1*1itcg2n*_gcl_au*MjMwOTIyMTI2LjE2ODU1OTU4Mjc.&_ga=2.172874026.843342068.1685595827-2758410.1685595827) [![Mountz\_Assets\_ConversionCalculator\_white](https://mountztorque.com/hubfs/Mountz_Assets_ConversionCalculator_white.svg) Conversion Calculator](https://www.mountztorque.com/torque-conversion-calculator?hsLang=en) [![Mountz\_Assets\_TorqueToolFinder\_white](https://mountztorque.com/hubfs/Mountz_Assets_TorqueToolFinder_white.svg) Torque Tool Finder](https://www.mountztorque.com/torque-conversion-calculator?hsLang=en) [Skip to content](https://mountztorque.com/en-us/knowledge-base/clf-series-robotic-electric-screwdrivers-faq#main-content) English - United States Show submenu for translations ![vast.png](https://mountztorque.com/hs-fs/hubfs/Mountz%20Logo%20-%20HS.png?width=413&height=135&name=Mountz%20Logo%20-%20HS.png) - [Sample Contact Page](https://5139817.hs-sites.com/sample-contact) - [Sample About Page](https://5139817.hs-sites.com/sample-about) - [Default HubSpot Blog](https://mountztorque-5139817.hs-sites.com/blog) Open main navigation Close main navigation - [Sample Contact Page](https://5139817.hs-sites.com/sample-contact) - [Sample About Page](https://5139817.hs-sites.com/sample-about) - [Default HubSpot Blog](https://mountztorque-5139817.hs-sites.com/blog) - English - United States Show submenu for translations - Contact us Contact us How can we help you? - There are no suggestions because the search field is empty. 1. [Mountz Torque Knowledge Base](https://mountztorque.com/en-us/knowledge-base?hsLang=en-us) 2. [Product Overviews](https://mountztorque.com/en-us/knowledge-base/product-overviews?hsLang=en-us) 3. [Electric Screwdrivers](https://mountztorque.com/en-us/knowledge-base/product-overviews?hsLang=en-us#electric-screwdrivers) # CLF-Series Robotic Electric Screwdrivers – FAQ & User Guide ## The Mountz CLF-Series Robotic Electric Screwdrivers are designed for automated fastening applications requiring accurate, repeatable torque control and reliable production performance. Featuring a precision automatic shut-off clutch, front mounting flange, and robotic-style housing, the CLF-Series delivers dependable fastening for robotic and fixtured assembly systems. ### Quick Answer The CLF-Series is a line of robotic electric torque screwdrivers designed for automated and fixtured assembly applications. Featuring a precision automatic shut-off clutch, external torque adjustment, and a front mounting flange for robotic integration, the CLF-Series provides accurate torque control across a wide range of production fastening applications. --- ### Who This Is For - Automation engineers - Robotics integrators - Manufacturing engineers - Process engineers - Quality engineers - Machine builders - Electronics manufacturers - Automotive manufacturers - Aerospace manufacturers - Industrial automation facilities --- ### When Should You Use This? **Use the CLF-Series when:** - Automated fastening is required - Robotic or fixtured assembly systems are being integrated - Repeatable torque control is critical - Medium- to high-volume production is performed - A wide torque range is needed - Front-flange mounting is required - Continuous production fastening is performed --- ### When Should You NOT Use This? **The CLF-Series may not be the best choice when:** - Manual hand-held fastening is required - Torque and angle traceability are required - Programmable fastening strategies are needed - Portable or cordless operation is preferred - Vacuum screw pickup is required For programmable fastening and torque-angle monitoring, consider the Mountz ECT-Series or EPT-Series. --- ### How the CLF-Series Works The CLF-Series uses a precision electric motor to drive an automatic shut-off clutch. **During operation, the screwdriver:** - Mounts directly to robotic or fixtured equipment using the integrated front flange. - Rotates the fastener until the preset torque is achieved. - Automatically shuts off when the target torque is reached. - Allows quick external torque adjustment. - Provides consistent fastening performance throughout repetitive production cycles. **Result:** - Accurate torque control - Repeatable fastening performance - Reliable robotic integration - Improved production consistency - Reduced operator involvement --- ### Core Features - Robotic-style electric screwdriver - Precision automatic shut-off clutch - Front mounting flange for robotic integration - External torque adjustment scale - Wide torque range from **0.3–39.8 lbf.in** - Multiple speed options depending on model - 4 mm HIOS and 1/4" female hex drive configurations - Designed for automated and fixtured assembly - Compatible with the CLT-AY transformer --- ### Configuration Options | Configuration | Best For | | --- | --- | | CLF3000HH | Ultra-low torque robotic fastening | | CLF4000XH | Precision electronics assembly | | CLFAF4500XH | Higher-speed automated fastening | | CLF6000XH | General production assembly | | CLF6500XH | Medium-torque fastening | | CLF7000XH | Higher-torque fastening | | CL816AXH | Heavy-duty robotic assembly | | CL825AXH | High-torque industrial assembly | | CL850AXH | Maximum torque robotic fastening | --- ### Available Models The CLF-Series includes robotic electric screwdrivers covering torque ranges from **0.3 to 39.8 lbf.in (3–450 cN·m)**. Models are available with either a **4 mm HIOS** or **1/4" female hex** drive and feature a front mounting flange for robotic integration. ##### CLF-Series Model Chart | Model | Item Number | Torque Range | RPM (High / Low) | Drive Size | Weight | | --- | --- | --- | --- | --- | --- | | CLF3000HH | 144134 | 0.3–1.3 lbf.in (3–15 cN·m) | 1000 / 560 | 4 mm HIOS | 14.1 oz | | CLF4000XH | 144136 | 0.9–3 lbf.in (10–35 cN·m) | 1000 / 560 | 1/4" Female Hex | 15.2 oz | | CLFAF4500XH | 144138 | 3.5–5.3 lbf.in (40–60 cN·m) | 1700 / 940 | 1/4" Female Hex | 15.2 oz | | CLF6000XH | 144133 | 2.6–5.3 lbf.in (30–60 cN·m) | 750 / 400 | 1/4" Female Hex | 21.5 oz | | CLF6500XH | 144135 | 3.5–8.8 lbf.in (40–100 cN·m) | 850 / 440 | 1/4" Female Hex | 24 oz | | CLF7000XH | 144137 | 4.4–13.2 lbf.in (50–150 cN·m) | 780 / 420 | 1/4" Female Hex | 26.7 oz | | CL816AXH | 144144 | 13.2–22 lbf.in (150–250 cN·m) | 550 / 310 | 1/4" Female Hex | 45 oz | | CL825AXH | 144145 | 17.7–35.4 lbf.in (200–400 cN·m) | 370 / 210 | 1/4" Female Hex | 45 oz | | CL850AXH | 144146 | 21.2–39.8 lbf.in (240–450 cN·m) | 570 / 320 | 1/4" Female Hex | 60 oz | *Specifications are based on the CLF-Series Product Sheet.* --- ### Model Selection Guide | If you need: | Recommended Model | | --- | --- | | Ultra-low torque robotic fastening | CLF3000HH | | Precision electronics assembly | CLF4000XH | | High-speed automated fastening | CLFAF4500XH | | General robotic assembly | CLF6000XH | | Medium-torque production | CLF6500XH | | Higher-torque fastening | CLF7000XH | | Heavy-duty robotic applications | CL816AXH | | High-torque industrial assembly | CL825AXH | | Maximum torque capacity | CL850AXH | --- ### Compatible Accessories | Accessory | Purpose | | --- | --- | | CLT-AY Transformer | Required power supply | | 4 mm HIOS Bits | CLF3000HH | | 1/4" Hex Power Bits | All other models | | Robotic Mounting Hardware | Automated integration | --- ### Transformer The CLF-Series requires the **CLT-AY transformer** for operation. The CLT-AY transformer provides the required power for all CLF-Series robotic screwdrivers and is designed for automated production environments. --- ### Setup & Adjustment 1. Mount the CLF-Series screwdriver using the integrated front mounting flange. 2. Connect the screwdriver to the CLT-AY transformer. 3. Install the appropriate driver bit for the application. 4. Adjust the torque setting using the external torque adjustment scale. 5. Verify torque output with a calibrated torque analyzer before production. 6. Integrate the screwdriver into the robotic or fixtured assembly system. 7. Perform sample fastening cycles before beginning production. ### Common Applications **The CLF-Series is commonly used in:** - Robotic assembly systems - Automated production lines - Electronics manufacturing - Automotive manufacturing - Aerospace assembly - Industrial equipment manufacturing - Medical device manufacturing - Fixtured assembly applications requiring repeatable torque control - High-volume production environments --- ### Use Cases (Real-World Examples) #### Robotic Assembly **Problem:** Automated assembly systems require a fastening tool that delivers consistent torque while integrating easily into robotic equipment. **Solution:** The CLF-Series features a front mounting flange and precision automatic shut-off clutch, making it ideal for robotic and fixtured fastening applications. --- #### Precision Electronics Manufacturing **Problem:** Small fasteners require repeatable torque to prevent damage to sensitive components and ensure assembly quality. **Solution:** Lower torque CLF-Series models provide accurate torque control for precision fastening applications. --- #### High-Torque Automated Assembly **Problem:** Industrial applications require robotic fastening tools capable of handling larger fasteners and higher torque requirements. **Solution:** Higher-capacity CL816AXH, CL825AXH, and CL850AXH models provide torque capacities up to **39.8 lbf.in (450 cN·m)** for demanding production applications. --- #### Continuous Production **Problem:** Automated production lines require fastening tools that deliver consistent performance throughout repetitive assembly cycles. **Solution:** The CLF-Series is designed for continuous production, providing repeatable fastening performance across a broad range of torque capacities. --- ### Maintenance - Verify torque output regularly using a calibrated torque analyzer. - Inspect the drive spindle and bit holder for wear or damage. - Keep the screwdriver clean and free of dust or debris. - Inspect the power cable and transformer connections before operation. - Verify that the mounting flange and installation hardware remain secure. - Replace worn driver bits as needed to maintain fastening accuracy. - Periodically verify torque settings as part of your preventive maintenance program. --- ### Integration & Advanced Features - Precision automatic shut-off clutch - Robotic-style housing - Front mounting flange for robotic and fixtured installation - External torque adjustment scale - Wide torque range from 0.3 to 39.8 lbf.in (3–450 cN·m) - Available with 4 mm HIOS or 1/4" female hex drive - Multiple speed options depending on model - Compatible with the CLT-AY transformer - Designed for automated and fixtured production applications --- ### Media & Supporting Content                                     ![CLF3000\_01.mainview](https://mountztorque.com/hs-fs/hubfs/CLF3000_01.mainview.jpg?width=650&height=650&name=CLF3000_01.mainview.jpg) - 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