{"product_id":"mini-10mm-2-phase-stepper-gear-motor-planetary-metal-gear","title":"Mini 10mm 2-Phase Stepper Gear Motor | Planetary Metal Gear","description":"\n\u003ch2\u003eUltra-Compact 10mm Planetary Stepper Gear Motor for Precision Applications\u003c\/h2\u003e\n\u003cp\u003eEngineered for demanding precision work, this miniature 2-phase, 4-wire stepper gear motor packs remarkable accuracy into a 10mm outer diameter package. With a full metal planetary gear train and a flipped output shaft design, it delivers ultra-fine positional control — ideal for optical instruments, robotic systems, camera focus mechanisms, lab automation, and any project where repeatable micro-movement is critical.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Compact Design:\u003c\/strong\u003e 10mm outer diameter, weighing approximately 10 grams — fits where other motors simply cannot.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExceptional Precision:\u003c\/strong\u003e 0.018° output shaft stepping angle — just 20,000 pulses completes a full 360° revolution for smooth, highly accurate motion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Gear Reduction:\u003c\/strong\u003e 1:1000 planetary gear ratio delivers high torque output in a tiny footprint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Metal Planetary Gears:\u003c\/strong\u003e All-metal gear construction ensures durability, low backlash, and long service life under continuous operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlipped Output Shaft:\u003c\/strong\u003e 3mm diameter output shaft (2.7mm with D-flat), 6mm in length — convenient for space-constrained assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated at 12V DC:\u003c\/strong\u003e ~10Ω phase resistance, ~2.0mH inductance per phase, ~0.4A short-circuit current at 5V.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReliable Electrical Performance:\u003c\/strong\u003e Max pull-out frequency 1200 pps @ 5.0V; max pull-in frequency 1000 pps @ 5.0V; insulation impedance 100MΩ\/500VDC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e18° Motor Step Angle:\u003c\/strong\u003e Standard 2-phase stepping for compatibility with most stepper driver boards (driver required — sold separately).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort Lead Wires:\u003c\/strong\u003e ~45mm wire length for easy integration into compact enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMotor Outer Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMotor Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2-Phase, 4-Wire Stepper (driver required)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGearing Arrangement\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePlanetary (Full Metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eRated Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMotor Step Angle\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e18°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGear Reduction Ratio\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1:1000\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOutput Shaft Step Angle\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.018° (20,000 pulses = 360°)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOutput Shaft Diameter\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3mm (2.7mm with D-flat)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOutput Shaft Length\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMotor Weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e~10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePhase Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e~10 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eInductance (Phase A \u0026amp; B)\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e2.0 mH each\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eShort-Circuit Current @ 5V\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e~0.4 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax Pull-Out Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1200 pps @ 5.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMax Pull-In Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1000 pps @ 5.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eInsulation Impedance\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e100 MΩ \/ 500VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWire Length\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e~45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOptical instruments \u0026amp; microscope focus adjusters\u003c\/li\u003e\n  \u003cli\u003eCamera lens and aperture control mechanisms\u003c\/li\u003e\n  \u003cli\u003eMiniature robotics and automation arms\u003c\/li\u003e\n  \u003cli\u003eLaboratory positioning stages\u003c\/li\u003e\n  \u003cli\u003e3D printer extruder or axis drives\u003c\/li\u003e\n  \u003cli\u003eWearable tech and compact electronic devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Mini 10mm 2-Phase 4-Wire Stepper Gear Motor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: A compatible stepper motor driver board is required and is not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10-in-1 Multi-Functional Bone Wrench Hex Socket Spanner – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/16-in-1-multi-function-bike-repair-tool-portable-folding-hex-wrench-set-for-bicycle-motorcycle-furniture-maintenance-hand-tools\"\u003e16-in-1 Multi-Function Bike Repair Tool Portable Folding Hex Wrench Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-in-1-precision-eyeglass-screwdriver-keychain-portable-mini-screwdriver-for-glasses-watch-spectacles-repair-hand-tool\"\u003e3-in-1 Precision Eyeglass Screwdriver Keychain – Portable Mini Screwdriver\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this mini stepper gear motor include a driver board?\u003c\/h4\u003e\n\u003cp\u003eA: No, a stepper motor driver board is not included. This 2-phase 4-wire stepper gear motor requires a compatible external driver to operate. Please ensure you pair it with an appropriate driver for your voltage and current requirements.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the output shaft stepping angle and how precise is this motor?\u003c\/h4\u003e\n\u003cp\u003eA: Thanks to its 1:1000 planetary gear reduction, the output shaft stepping angle is just 0.018°. It takes approximately 20,000 pulses to complete one full 360° revolution, making this motor exceptionally precise — perfect for optical instruments, lab equipment, and fine-motion control applications.\u003c\/p\u003e\n\u003ch4\u003eQ: What rated voltage does this 10mm stepper gear motor use?\u003c\/h4\u003e\n\u003cp\u003eA: This mini stepper motor is rated at 12V DC. However, it can also be tested at 5V DC, at which point the short-circuit current is approximately 0.4A and the maximum pull-out frequency is 1200 pps.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this motor suitable for optical and precision instrument use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With its full metal planetary gears, ultra-low output step angle (0.018°), and compact 10mm diameter, this stepper gear motor is specifically well-suited to optical instruments, microscopes, camera systems, and other precision positioning applications where smooth, repeatable micro-movement is essential.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this mini stepper gear motor include a driver board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, a stepper motor driver board is not included. This 2-phase 4-wire stepper gear motor requires a compatible external driver to operate. Please ensure you pair it with an appropriate driver for your voltage and current requirements.\"}}, {\"@type\": \"Question\", \"name\": \"What is the output shaft stepping angle and how precise is this motor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Thanks to its 1:1000 planetary gear reduction, the output shaft stepping angle is just 0.018°. It takes approximately 20,000 pulses to complete one full 360° revolution, making this motor exceptionally precise — perfect for optical instruments, lab equipment, and fine-motion control applications.\"}}, {\"@type\": \"Question\", \"name\": \"What rated voltage does this 10mm stepper gear motor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This mini stepper motor is rated at 12V DC. 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