--- title: FG ESD Preset Torque Screwdrivers – FAQ & User Guide description: Protect sensitive electronics and improve fastening consistency with FG ESD Preset Torque Screwdrivers. Learn how ESD-safe torque tools help prevent over-tightening, reduce assembly errors, and support precision fastening in electronics manufacturing environments. --- - 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/fg-esd-preset-torque-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. [Torque Screwdrivers](https://mountztorque.com/en-us/knowledge-base/product-overviews?hsLang=en-us#torque-screwdrivers) # FG ESD Preset Torque Screwdrivers – FAQ & User Guide ## FG ESD preset torque screwdrivers are precision fastening tools designed for ESD-safe environments where controlled torque and electrostatic discharge protection are critical. These preset tools use a cam-over clutch mechanism and tamper-resistant internal torque setting to help prevent over-tightening while protecting sensitive electronic components and assemblies. ### Quick Answer FG ESD preset screwdrivers deliver fixed, repeatable torque using a cam-over clutch while utilizing ESD-safe materials designed to help reduce electrostatic discharge in sensitive electronics manufacturing environments. --- ### Who This Is For - Manufacturing & process engineers - Electronics assembly operators - Quality & calibration teams - Medical electronics manufacturers - Aerospace electronics assembly teams - Telecommunications manufacturers - CX and Sales teams supporting torque tools --- ### When Should You Use This? Use FG ESD preset screwdrivers when: - Sensitive electronic components require ESD-safe tooling - Torque must remain fixed and controlled - Multiple operators need consistent fastening results - Over-tightening could damage components - Electronics manufacturing quality standards must be maintained --- ### When Should You NOT Use This? Do not use FG ESD preset screwdrivers if: - Torque values need to change frequently → use an adjustable tool - Higher torque ranges are required → use larger torque screwdriver models - Torque data capture or traceability is required → use a transducerized system - ESD protection is not required for the application --- ### How FG ESD Preset Screwdrivers Work FG ESD tools use a cam-over clutch mechanism with internal torque adjustment: - Torque builds during fastening - Once the preset torque is reached, the tool cam-overs or slips - Additional torque is prevented from being applied - ESD-safe materials help reduce static buildup during assembly operations **Result:** Consistent torque, reduced fastener damage, improved quality control, and safer handling of static-sensitive components. --- ### Core Features - ESD-safe construction materials - Cam-over clutch for torque limiting - Internal tamper-resistant torque adjustment - Preset torque operation - Designed for electronics assembly environments - Helps prevent over-tightening - Repeatable torque performance - Designed to meet ISO 6789 torque accuracy requirements - No external adjustment scale --- ### FG ESD-Series Models Each FG ESD model is preset to a specific torque value within its available torque range. The torque setting is adjusted internally and verified using a torque analyzer. Unlike adjustable torque screwdrivers, FG ESD tools do not feature an external torque adjustment scale. The internal locking mechanism helps prevent accidental torque setting changes and supports process control requirements. --- ### How FG ESD Models Are Specified Each FG ESD model represents a screwdriver family capable of being preset to a range of torque values. The published range indicates the available torque settings that can be specified during calibration or setup. **Example** The FG-20i ESD has an available torque range of 2–20 lbf.in (22–226 cN·m). If your application requires 10 lbf.in, the tool can be preset and verified at that torque value using a torque analyzer. --- ### FG ESD Torque Range Lineup **FG-25z ESD** 3–25 ozf.in (2–17.7 cN·m) **FG-50z ESD** 20–50 ozf.in (14.1–35.3 cN·m) **FG-8i ESD** 1.6–8 lbf.in (18–90 cN·m) **FG-20i ESD** 2–20 lbf.in (22–226 cN·m) **FG-40i ESD** 4–40 lbf.in (0.4–4.5 N·m) **FG-125i ESD** 25–125 lbf.in (2.8–14.1 N·m) --- ### Model Selection Guide **Need ultra-low torque fastening for delicate electronics?** Choose: - FG-25z ESD - FG-50z ESD These compact models are designed for micro-torque applications and small fasteners commonly found in electronics and precision assemblies. **Need a standard production screwdriver for electronics assembly?** Choose: - FG-8i ESD - FG-20i ESD These models are commonly used for PCB assembly, telecommunications equipment, and medical electronics manufacturing. **Need higher torque capacity?** Choose: - FG-40i ESD - FG-125i ESD These models support larger fasteners and higher torque requirements while maintaining ESD-safe performance. **Need the longest calibration life?** Choose: - FG-8i ESD - FG-20i ESD - FG-40i ESD - FG-125i ESD These models provide calibration life up to four times the ISO standard baseline, supporting up to 20,000 cycles before recalibration — compared to the ISO baseline of 5,000 cycles. --- ### FG ESD-Series Models | Model | Torque Range (American) | Torque Range (Metric) | Drive Size | Weight | Length | | --- | --- | --- | --- | --- | --- | | FG-25z ESD | 3–25 ozf.in | 2–17.7 cN·m | 1/4" F/Hex | 2.8 oz | 4.1" | | FG-50z ESD | 20–50 ozf.in | 14.1–35.3 cN·m | 1/4" F/Hex | 2.8 oz | 4.1" | | FG-8i ESD | 1.6–8 lbf.in | 18–90 cN·m | 1/4" F/Hex | 7.3 oz | 5.2" | | FG-20i ESD | 2–20 lbf.in | 22–226 cN·m | 1/4" F/Hex | 7.3 oz | 5.2" | | FG-40i ESD | 4–40 lbf.in | 0.4–4.5 N·m | 1/4" F/Hex | 11.5 oz | 6.3" | | FG-125i ESD | 25–125 lbf.in | 2.8–14.1 N·m | 1/4" F/Hex | 11.5 oz | 6.3" | *Models are available with Blue, Red, Green, or Gold label colors.* --- ### ESD Protection Features FG ESD screwdrivers are specifically designed for static-sensitive manufacturing environments and incorporate: - High-grade dissipative coating - Surface resistance of 10⁵ to 10⁸ Ohms - Compliance with IEC 61340-5-1 and ANSI/ESD STM11.13 - Anti-static properties that help minimize static electricity generation and particle attraction - Impact-resistant dissipative handle materials - Dynamic wear-resistant internal seals that help prevent grease leakage and contamination - Electrostatic decay from handle through bit typically less than 50 milliseconds --- ### Which FG ESD Model Should I Select? Start with these questions: - What torque value is required? - Is ESD protection required by the manufacturing process? - Are small or larger fasteners being assembled? - Is calibration life an important consideration? - Will the tool be used for PCB assembly, telecommunications equipment, medical electronics, or aerospace electronics? - Are multiple operators using the tool? - Is preventing accidental torque changes important? - Is repeatability more important than frequent torque adjustment? The answers to these questions will help determine the appropriate FG ESD-Series model for the application. For personalized model recommendations, [contact Mountz Applications Engineering](https://mountztorque.com/en-us/contact-us?hsLang=en-us). --- ### Setup & Adjustment #### Internal Torque Adjustment FG ESD tools use an internal adjustment mechanism. To adjust torque: 1. Set up the screwdriver on a torque analyzer. 2. Use the supplied hex key to adjust the torque setting. 3. Verify the torque value using the analyzer. 4. Seal the end cap with a calibration sticker after adjustment if required by quality procedures. FG ESD tools do not feature an external torque adjustment scale. #### Can Torque Be Changed Later? FG ESD screwdrivers can be adjusted to a different torque value within the model's specified range. After adjustment, the tool should be verified using a calibrated torque analyzer and recalibrated before being returned to production service. --- ### Use Cases (Real-World Examples) **1. PCB Assembly** **Problem:** Electrostatic discharge damages sensitive circuit boards **Solution:** ESD-safe screwdriver helps reduce static buildup during fastening --- **2. Electronics Manufacturing** **Problem:** Operator inconsistency creates fastening variation **Solution:** Preset torque eliminates variation between operators --- **3. Medical Electronics Assembly** **Problem:** Small fasteners are damaged by over-tightening **Solution:** Cam-over clutch prevents excessive torque application --- **4. Aerospace Electronics** **Problem:** Sensitive avionics require both ESD protection and precise torque **Solution:** ESD preset screwdriver supports repeatable fastening performance --- ### Troubleshooting **Issue 1: Torque feels inconsistent** **Cause:** Tool out of calibration **Solution:** Recalibrate using a torque analyzer or send to a calibration lab --- **Issue 2: Tool slips too early** **Cause:** Torque set too low or internal adjustment drift **Solution:** Reset torque using calibration equipment --- **Issue 3: Fasteners still stripping** **Cause:** Incorrect torque specification **Solution:** Verify application torque requirements --- **Issue 4: Operator thinks tool is broken** **Cause:** Misunderstanding of cam-over behavior **Solution:** Train operator that clutch release indicates correct torque reached --- **Issue 5: ESD events still occur** **Cause:** Incomplete ESD control procedures **Solution:** Verify workstation grounding and follow proper ESD protocols --- ### Calibration & Standards FG ESD tools are designed to meet ISO 6789 torque accuracy and repeatability requirements. Recommended calibration intervals may include: - Every 5,000 cycles - Every 12 months - Based on internal quality standards - After the tool is dropped or damaged Torque verification using a calibrated torque analyzer helps support: - Product quality - Process consistency - Reliable fastening performance - Compliance with internal quality procedures --- ### ESD Protection Notes **Why ESD Protection Matters** Electrostatic discharge can damage: - Circuit boards - Semiconductors - Sensors - Microelectronics - Static-sensitive assemblies Even small static discharges may result in latent or immediate component failures. Using ESD-safe tools — such as the Mountz FG ESD screwdriver series — as part of a complete ESD control program helps protect sensitive components throughout the assembly process. --- ### Best Practices for ESD-Safe Assembly - Use grounded workstations - Follow ESD-safe handling procedures - Use grounding straps and mats - Verify tools meet ESD-safe requirements - Maintain clean assembly environments --- ### Integration / Advanced Notes - Manual fastening tools only - No PLC or MES integration - No built-in torque traceability - Depends on proper calibration and ESD control procedures - Internal tamper-resistant torque adjustment - Designed for static-sensitive manufacturing environments --- ### Media & Supporting Content   ![FG ESD Preset Brochure Image (1)](https://mountztorque.com/hs-fs/hubfs/FG%20ESD%20Preset%20Brochure%20Image%20(1).png?width=505&height=379&name=FG%20ESD%20Preset%20Brochure%20Image%20(1).png) - [Product Brochure](https://online.flippingbook.com/view/213906019/) - 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