{"product_id":"firstinfo-h5178-precision-torque-limiting-screwdriver-certified","title":"FIRSTINFO H5178 Precision Torque Limiting Screwdriver - Certified","description":"\u003cp\u003eIn this review the FIRSTINFO H5178 Precision Torque Limiting Screwdriver stands out as a purpose-built tool for technicians and hobbyists who need repeatable low-torque control. The bottom line: it is best for delicate assembly, electronics, firearms and electrical work because it provides a certified, dual-scale torque range and a clearly indexed adjustment that slips automatically at the set torque to prevent overdrive. The screwdriver feels solid in hand and arrives with calibration documentation that supports its 6% accuracy claim.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Scale:\u003c\/strong\u003e Provides both Nm and in-lb readings so users can set torque precisely in 0.01 Nm increments for repeatable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Certificate:\u003c\/strong\u003e Supplied calibration documentation confirms the screwdriver meets ASME and ISO tolerances for professional use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Limiting Slip:\u003c\/strong\u003e Automatically slips when the preset torque is reached, protecting fasteners and delicate components from damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Release Bit Holder:\u003c\/strong\u003e The 1\/4 in hex quick release mechanism makes changing bits fast and secure during repetitive work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Durable Construction:\u003c\/strong\u003e Aluminum alloy body and tube reduce weight while maintaining tight tolerances for consistent operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe H5178 is aimed at electronics technicians, gunsmiths, and precision assemblers who regularly work with small fasteners and need accurate, repeatable low torque between 0.1 and 1.2 Nm. Its certified accuracy and clear dual scale make it useful wherever controlled clamping is critical.\u003c\/p\u003e\u003cp\u003eIt is less suitable for heavy automotive or industrial fastening where higher torque ranges are required; professionals who need broader torque spans should consider a higher-range torque wrench instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCertified accuracy and included calibration paperwork provide confidence for precision work.\u003c\/li\u003e\n\u003cli\u003eFine 0.01 Nm increments and dual scale allow exact settings for delicate fasteners.\u003c\/li\u003e\n\u003cli\u003eQuick release 1\/4 in holder and ergonomic, non-slip shape speed up repetitive tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eTorque range tops out at 1.2 Nm, so it will not replace higher-range torque wrenches for larger fasteners.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Range\u003c\/td\u003e\n\u003ctd\u003e0.1 - 1.2 Nm (1.33 - 10.18 in-lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e6% (certified)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive\u003c\/td\u003e\n\u003ctd\u003e1\/4 in hex quick release bit holder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncrement\u003c\/td\u003e\n\u003ctd\u003e0.01 Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy body and tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eCertified to ASME B107.300-2010 and ISO 6789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e12 months after-sales support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe FIRSTINFO H5178 is a strong value for anyone needing precise low-torque control: its certified accuracy, fine adjustment increments and automatic slip make it ideal for electronics, firearms and delicate assembly. Buyers who need greater torque range should look elsewhere, but for controlled small-fastener work this screwdriver offers reliable performance and good durability for the price.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes it come calibrated?\u003c\/strong\u003e\u003cbr\u003eYes, the screwdriver is supplied with calibration certification confirming compliance with the listed standards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the drive size?\u003c\/strong\u003e\u003cbr\u003eIt uses a 1\/4 in hex quick release bit holder for fast bit changes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does the torque limit feature work?\u003c\/strong\u003e\u003cbr\u003eThe tool slips automatically when the preset torque is reached to prevent overtightening and protect the fastener.\u003c\/p\u003e","brand":"FIRSTINFO TOOLS FIT YOUR NEEDS","offers":[{"title":"Default Title","offer_id":48263580647643,"sku":"B00XV8GVQK","price":86.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41GayZ1PV2S._AC_SL1024.jpg?v=1778299057","url":"https:\/\/gearmusthave.com\/products\/firstinfo-h5178-precision-torque-limiting-screwdriver-certified","provider":"GearMustHave","version":"1.0","type":"link"}