{"product_id":"ldo-42sth48-2504ac-nema17-stepper-motor-48mm-high-torque","title":"LDO 42STH48-2504AC Nema 17 Stepper Motor | 48mm High Torque","description":"\n\u003ch2\u003eLDO 42STH48-2504AC Nema 17 High-Torque Stepper Motor – 48mm Upgrade\u003c\/h2\u003e\n\u003cp\u003eTake your 3D printer or CNC machine to the next level with the \u003cstrong\u003eLDO 42STH48-2504AC Nema 17 Stepper Motor\u003c\/strong\u003e. Engineered for demanding motion control applications, this 48mm-body motor delivers exceptional torque, smooth stepping performance, and reliable precision — making it an ideal upgrade for extruder drives, axis motors, and automated motion systems.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Upgrade to the LDO 42STH48-2504AC?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Holding Torque:\u003c\/strong\u003e The 48mm motor body provides significantly more torque than standard short-body Nema 17 motors, ensuring confident, skip-free motion even under load.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Stepping:\u003c\/strong\u003e Smooth, accurate micro-stepping performance for cleaner layer lines in 3D printing and finer cuts in CNC applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStainless Steel Construction:\u003c\/strong\u003e Built with stainless steel components for enhanced durability and long service life in continuous-use environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Fits standard Nema 17 motor mounts — a true drop-in upgrade for most 3D printers, CNC routers, laser cutters, and other motion control systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel 42STH48-2504AC:\u003c\/strong\u003e The trusted LDO high-performance spec — 2.5A rated current, designed for use with common stepper motor drivers (TMC2209, A4988, DRV8825, and more).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Vibration \u0026amp; Noise:\u003c\/strong\u003e Precision-wound coils reduce resonance and vibration, contributing to quieter operation and smoother prints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LDO 42STH48-2504AC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e Nema 17 (42mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBody Length:\u003c\/strong\u003e 48mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 2.5A per phase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFDM 3D Printer Extruder \u0026amp; Axis Upgrades (Voron, Prusa, Ender, RatRig, etc.)\u003c\/li\u003e\n  \u003cli\u003eCNC Router \u0026amp; Laser Engraver Motion Drives\u003c\/li\u003e\n  \u003cli\u003eRobotic Actuators \u0026amp; Automated Motion Systems\u003c\/li\u003e\n  \u003cli\u003eDIY Electronics \u0026amp; Maker Projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on stepper motor selection and motion control best practices, visit the NIST Intelligent Systems Division – Motion Control resource.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Stepper_motor\" target=\"_blank\" rel=\"noopener\"\u003eStepper motor\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the LDO 42STH48-2504AC compatible with my 3D printer's stepper drivers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the LDO 42STH48-2504AC is compatible with most popular stepper motor drivers including the TMC2209, TMC2208, A4988, and DRV8825. It uses a standard 4-wire bipolar configuration and a Nema 17 mounting pattern, making it a straightforward upgrade for the vast majority of 3D printers and CNC machines.\u003c\/p\u003e\n\u003ch4\u003eQ: What makes the 48mm body length better than a standard short-body Nema 17?\u003c\/h4\u003e\n\u003cp\u003eA: The longer 48mm body houses more magnetic material and windings, which translates directly into higher holding torque and greater force delivery. This is especially beneficial for direct-drive extruders and high-speed printing applications where a weaker motor might skip steps or lose position.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the rated current for the LDO 42STH48-2504AC and how should I set my driver?\u003c\/h4\u003e\n\u003cp\u003eA: The motor is rated at 2.5A per phase. For optimal performance and motor longevity, most users set their stepper driver current between 80–90% of the rated value (approximately 2.0–2.2A RMS). Always refer to your specific driver's documentation for precise current-setting instructions.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this motor be used as a direct drop-in replacement?\u003c\/h4\u003e\n\u003cp\u003eA: In most cases, yes. The LDO 42STH48-2504AC uses the standard Nema 17 bolt pattern (31mm hole spacing) and a standard shaft diameter, so it fits virtually any printer or machine designed for Nema 17 motors. Just verify your motor mount has clearance for the 48mm body length before installing.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the LDO 42STH48-2504AC compatible with my 3D printer's stepper drivers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the LDO 42STH48-2504AC is compatible with most popular stepper motor drivers including the TMC2209, TMC2208, A4988, and DRV8825. It uses a standard 4-wire bipolar configuration and a Nema 17 mounting pattern, making it a straightforward upgrade for the vast majority of 3D printers and CNC machines.\"}}, {\"@type\": \"Question\", \"name\": \"What makes the 48mm body length better than a standard short-body Nema 17?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The longer 48mm body houses more magnetic material and windings, which translates directly into higher holding torque and greater force delivery. This is especially beneficial for direct-drive extruders and high-speed printing applications where a weaker motor might skip steps or lose position.\"}}, {\"@type\": \"Question\", \"name\": \"What is the rated current for the LDO 42STH48-2504AC and how should I set my driver?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The motor is rated at 2.5A per phase. For optimal performance and motor longevity, most users set their stepper driver current between 80–90% of the rated value (approximately 2.0–2.2A RMS). Always refer to your specific driver's documentation for precise current-setting instructions.\"}}, {\"@type\": \"Question\", \"name\": \"Can this motor be used as a direct drop-in replacement?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In most cases, yes. The LDO 42STH48-2504AC uses the standard Nema 17 bolt pattern (31mm hole spacing) and a standard shaft diameter, so it fits virtually any printer or machine designed for Nema 17 motors. Just verify your motor mount has clearance for the 48mm body length before installing.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"LDO 42STH48-2504AC Nema 17 Stepper Motor | 48mm High Torque\", \"item\": \"https:\/\/oasis-select.com\/products\/ldo-42sth48-2504ac-nema17-stepper-motor-48mm-high-torque\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"China Mainland","offer_id":47744935690345,"sku":"200007763:201336100","price":74.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S95c1b6d4480b4ac0b392a1f7ff77d025I.webp?v=1783028440","url":"https:\/\/oasis-select.com\/products\/ldo-42sth48-2504ac-nema17-stepper-motor-48mm-high-torque","provider":"Oasis Select","version":"1.0","type":"link"}