{"product_id":"chihai-chs-gm12-15by-geared-stepper-motor","title":"CHIHAI MOTOR CHS-GM12-15BY Geared Stepper Motor, 15mm","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/chihai-motor\"\u003eCHIHAI MOTOR\u003c\/a\u003e CHS-GM12-15BY is a miniature geared stepper with a two-phase four-wire motor, metal reduction gears and a D-shaped shaft. Select the reduction ratio,4.4 mm or10 mm output-shaft projection and the required motor, driver or bracket package. This compact \u003ca href=\"https:\/\/rcdrone.top\/collections\/electric-motors\"\u003eelectric motor\u003c\/a\u003e uses a sequenced pulse drive for positioning and speed adjustment.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e18° motor input step with ratio-dependent output increments.\u003c\/li\u003e\n\u003cli\u003eNine nominal reduction ratios, with precise mechanical ratios listed below.\u003c\/li\u003e\n\u003cli\u003e3 mm D-shaped shaft with a 2.5 mm flat reference.\u003c\/li\u003e\n\u003cli\u003eFour-wire lead assembly and a 1.25 mm four-position connector reference.\u003c\/li\u003e\n\u003cli\u003eOptional reciprocating drivers, enclosed drivers, PLC-control versions and side-mount bracket.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue \/ scope\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand \/ model\u003c\/td\u003e\n\u003ctd\u003eCHIHAI MOTOR \/ CHS-GM12-15BY miniature geared stepper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor construction\u003c\/td\u003e\n\u003ctd\u003eTwo-phase four-wire stepper with metal reduction gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor input step\u003c\/td\u003e\n\u003ctd\u003e18°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical specification reference\u003c\/td\u003e\n\u003ctd\u003e5V DC with L6219 driver reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive configuration references\u003c\/td\u003e\n\u003ctd\u003e5–12V drive guide; a separate3.7V low-voltage test is listed below with its own pulse\/current conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase current \/ resistance \/ inductance\u003c\/td\u003e\n\u003ctd\u003e150 mA per phase \/30 Ω ±7% \/9.5 mH per phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain body dimensions\u003c\/td\u003e\n\u003ctd\u003e15 mm motor diameter ×20 mm assembly-length reference, excluding output-shaft projection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSelectable shaft projection\u003c\/td\u003e\n\u003ctd\u003e4.4 mm or10 mm; the standard drawing and shared package photos show the 10 mm reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput shaft\u003c\/td\u003e\n\u003ctd\u003e3 mm D-shaft;2.5 mm D-flat reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther standard drawing dimensions\u003c\/td\u003e\n\u003ctd\u003e9 mm gearbox section within the 20 mm assembly reference;0.7 mm front offset;1 mm rear offset;4 mm front register;6 mm rear shaft\/bearing reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront hole-pattern drawing\u003c\/td\u003e\n\u003ctd\u003e12 mm front-plate height;9 mm hole-pattern reference;two M1.4 andtwo M1.6 callouts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e1.25-4Y four-position connector \/1.25 mm reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead marking reference\u003c\/td\u003e\n\u003ctd\u003eGB1571 30 \/UL AWM105° marking; this does not establish complete-motor operating temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin order\u003c\/td\u003e\n\u003ctd\u003e1 white A+;2 black B−;3 red A−;4 yellow B+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor weight\u003c\/td\u003e\n\u003ctd\u003eApproximately13 g reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pulse-rate guide\u003c\/td\u003e\n\u003ctd\u003e800–1200 pulses\/s in the 5–12V feature reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStarting \/ response pulse references\u003c\/td\u003e\n\u003ctd\u003eStarting \u0026gt;1200 pulses\/s; response \u0026gt;900 pulses\/s as separately listed motor references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eRatio Selection and Performance\u003c\/h2\u003e\u003cp\u003eThe following motor reference table uses 5V DC and an L6219 driver. Output step and speed vary with the actual mechanical ratio and drive conditions. The speed row is referenced to 1000 input pulses\/s. Holding and pull-out torque are different operating conditions.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eNominal ratio\u003c\/th\u003e\n\u003cth\u003ePrecise ratio\u003c\/th\u003e\n\u003cth\u003eOutput step (°)\u003c\/th\u003e\n\u003cth\u003eSpeed at 1000 pulses\/s (rpm)\u003c\/th\u003e\n\u003cth\u003eHolding torque (kgf·cm)\u003c\/th\u003e\n\u003cth\u003ePull-out torque (kgf·cm)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e10:1\u003c\/td\u003e\n\u003ctd\u003e9.68:1\u003c\/td\u003e\n\u003ctd\u003e1.86\u003c\/td\u003e\n\u003ctd\u003e300\u003c\/td\u003e\n\u003ctd\u003e0.14\u003c\/td\u003e\n\u003ctd\u003e0.04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e20:1\u003c\/td\u003e\n\u003ctd\u003e19.36:1\u003c\/td\u003e\n\u003ctd\u003e0.93\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e0.28\u003c\/td\u003e\n\u003ctd\u003e0.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30:1\u003c\/td\u003e\n\u003ctd\u003e29.47:1\u003c\/td\u003e\n\u003ctd\u003e0.61\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e0.42\u003c\/td\u003e\n\u003ctd\u003e0.12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50:1\u003c\/td\u003e\n\u003ctd\u003e51.1:1\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003ctd\u003e0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100:1\u003c\/td\u003e\n\u003ctd\u003e99.3:1\u003c\/td\u003e\n\u003ctd\u003e0.18\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e1.40\u003c\/td\u003e\n\u003ctd\u003e0.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150:1\u003c\/td\u003e\n\u003ctd\u003e150.96:1\u003c\/td\u003e\n\u003ctd\u003e0.12\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e2.10\u003c\/td\u003e\n\u003ctd\u003e0.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e210:1\u003c\/td\u003e\n\u003ctd\u003e209.76:1\u003c\/td\u003e\n\u003ctd\u003e0.086\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e2.90\u003c\/td\u003e\n\u003ctd\u003e0.84\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e298:1\u003c\/td\u003e\n\u003ctd\u003e297.9:1\u003c\/td\u003e\n\u003ctd\u003e0.06\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eMaximum 3.0\u003c\/td\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e380:1\u003c\/td\u003e\n\u003ctd\u003e379.16:1\u003c\/td\u003e\n\u003ctd\u003e0.047\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eMaximum 3.0\u003c\/td\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eFor the 298:1 and 380:1 nominal versions,3.0 kgf·cm is a maximum permissible holding-torque limit, not a minimum torque guarantee. Avoid stalled or overloaded operation.\u003c\/p\u003e\u003ch2\u003eWiring and Driver Selection\u003c\/h2\u003e\u003cp\u003eConnector pin order is 1 white A+,2 black B−,3 red A− and 4 yellow B+. White\/red form phase A; black\/yellow form phase B. Use a compatible two-phase bipolar stepper driver and orient the connector against the wiring drawing. The illustrated excitation sequence and CW\/CCW arrows are referenced to the mounting\/output-shaft viewing side.\u003c\/p\u003e\u003cp\u003eThe motor requires sequenced coil excitation. A5V electrical reference and a 5–12V drive guide do not make every driver\/current setting interchangeable. The voltage\/current guide below is a separate set of operating references for a 30 Ω ±7% winding. Follow the actual driver's ratings and set the phase current appropriately.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTest supply\u003c\/th\u003e\n\u003cth\u003eRecommended drive rate (pulses\/s)\u003c\/th\u003e\n\u003cth\u003eSuggested drive current (A)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e12.0V\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e≤0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7.40V\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e≤0.15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6.00V\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e≤0.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5.00V\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e≤0.08\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.70V\u003c\/td\u003e\n\u003ctd\u003e700\u003c\/td\u003e\n\u003ctd\u003e≤0.07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eThe electrical relationship is applied voltage = back EMF + phase current ×coil resistance. For extended operation, monitor motor temperature; add cooling pauses or external cooling when required. The105° lead-marking reference does not establish a complete-motor temperature rating.\u003c\/p\u003e\u003cp\u003eThe button-operated driver package provides reciprocating control. The PLC-control package provides a driver with external control terminals; the enclosed options include the corresponding housing. Check the actual connector functions and signal levels before connecting an external controller. \u003c\/p\u003e\u003ch2\u003eMechanical Installation\u003c\/h2\u003e\u003cp\u003eChoose the output-shaft projection before fitting. The standard drawing and shared package photographs show the 10 mm shaft reference; the 4.4 mm option has its own selected projection. Do not infer that both shaft options share every dimension shown for the 10 mm reference.\u003c\/p\u003e\u003cp\u003eCheck the 3 mm shaft,2.5 mm flat, front hole pattern, connector clearance and bracket dimensions against the mechanism. The9 mm gearbox reference is part of the 20 mm assembly-length reference, rather than an extra section to add again.\u003c\/p\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eOptional side-mount bracket\u003c\/th\u003e\n\u003cth\u003eDimensions \/ contents\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBracket package\u003c\/td\u003e\n\u003ctd\u003eWhite side-mount bracket with the shown installation hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase reference\u003c\/td\u003e\n\u003ctd\u003e25 ×22 mm;3 mm thickness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase mounting holes\u003c\/td\u003e\n\u003ctd\u003eFour2.0 mm holes;19 ×13 mm center-pattern references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight \/ face references\u003c\/td\u003e\n\u003ctd\u003e17.70 mm overall height;14.70 mm drawing reference;15 mm face width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront interfaces\u003c\/td\u003e\n\u003ctd\u003e4.0 mm central aperture;two 1.6 mm hole references;9 mm drawing reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eFor compatible miniature robots, robotic grippers, adjustable furniture mechanisms, automatic adjustment assemblies and small pan-tilt mechanisms where the step resolution, driver, load and mounting dimensions fit the selected configuration.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSelected package\u003c\/th\u003e\n\u003cth\u003eContents\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor with Leads\u003c\/td\u003e\n\u003ctd\u003e1 motor with attached lead\/connector assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor with Leads + Reciprocating Driver\u003c\/td\u003e\n\u003ctd\u003e1 motor and 1 button-operated reciprocating driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor with Leads + Enclosed Reciprocating Driver\u003c\/td\u003e\n\u003ctd\u003e1 motor and 1 enclosed button-operated reciprocating driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor with Leads + PLC-Control Driver\u003c\/td\u003e\n\u003ctd\u003e1 motor and 1 PLC-control driver with external control terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor with Leads + Enclosed PLC-Control Driver\u003c\/td\u003e\n\u003ctd\u003e1 motor and 1 enclosed PLC-control driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor with Leads + Side-Mount Bracket\u003c\/td\u003e\n\u003ctd\u003e1 motor,1 white side-mount bracket and the shown installation hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003eEach selection includes one motor at the selected ratio and shaft projection. A driver, enclosure or bracket is included only when named in the package. A power supply, PLC, host controller and application equipment are not included.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eWhy do the photos show a longer shaft than the 4.4 mm option?\u003c\/h3\u003e\u003cp\u003eThe package photos are shared references and show the 10 mm shaft. Select the required 4.4 mm or10 mm projection and check the corresponding fit.\u003c\/p\u003e\u003ch3\u003eDoes the 3.0 kgf·cm value guarantee holding torque at high ratios?\u003c\/h3\u003e\u003cp\u003eNo. For the 298:1 and 380:1 nominal versions, it is a maximum permissible limit rather than a minimum guarantee.\u003c\/p\u003e\u003ch3\u003eCan every supply voltage use the same current setting?\u003c\/h3\u003e\u003cp\u003eNo. The guide lists different current and pulse-rate references by voltage. Match the actual driver and monitor heat during extended operation.\u003c\/p\u003e\u003ch3\u003eWhat is different about the PLC-control package?\u003c\/h3\u003e\u003cp\u003eIt includes the version with external control terminals. Check its terminal functions and signal levels against the intended controller.\u003c\/p\u003e\u003ch3\u003eDoes the motor-only package include the white bracket?\u003c\/h3\u003e\u003cp\u003eNo. Select the side-mount bracket package for the bracket and shown installation hardware.\u003c\/p\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d3.webp?v=1792620338\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d3.webp?v=1792620338\" alt=\"Standard 10 mm shaft mechanical drawing and four-wire pin order\/excitation sequence\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eStandard 10 mm shaft mechanical drawing and four-wire pin order\/excitation sequence\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d4.webp?v=1792620343\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d4.webp?v=1792620343\" alt=\"CHS-GM12-15BY specifications, shaft options, supply references and motor weight\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eCHS-GM12-15BY specifications, shaft options, supply references and motor weight\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d5.webp?v=1792620348\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d5.webp?v=1792620348\" alt=\"D-shaped output shaft and compact motor assembly\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eD-shaped output shaft and compact motor assembly\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d6.webp?v=1792620353\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d6.webp?v=1792620353\" alt=\"Metal reduction gear construction\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eMetal reduction gear construction\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d7.webp?v=1792620358\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d7.webp?v=1792620358\" alt=\"Two-phase four-wire stepper and pulse-rate reference\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eTwo-phase four-wire stepper and pulse-rate reference\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d8.webp?v=1792620363\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d8.webp?v=1792620363\" alt=\"5V L6219 reference specifications, exact ratios, output steps and torque limits\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003e5V L6219 reference specifications, exact ratios, output steps and torque limits\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d9.webp?v=1792620368\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d9.webp?v=1792620368\" alt=\"Voltage-specific current and pulse-rate guide with temperature-management notes\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eVoltage-specific current and pulse-rate guide with temperature-management notes\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d13.webp?v=1792620372\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/chihai-chs-gm12-15by-geared-stepper-motor-strict-d13.webp?v=1792620372\" alt=\"Optional 15BY side-mount bracket dimensions and included installation hardware\" loading=\"lazy\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eOptional 15BY side-mount bracket dimensions and included installation hardware\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"CHIHAI MOTOR","offers":[{"title":"Motor with Leads \/ Ratio 1:10 \/ 4.4 mm","offer_id":68073630073056,"sku":"CHS-GM12-15BY-0001","price":15.41,"currency_code":"USD","in_stock":true},{"title":"Motor with Leads \/ Ratio 1:10 \/ 10 mm","offer_id":68073630105824,"sku":"CHS-GM12-15BY-0002","price":15.41,"currency_code":"USD","in_stock":true},{"title":"Motor with Leads \/ Ratio 1:20 \/ 10 mm","offer_id":68073630138592,"sku":"CHS-GM12-15BY-0004","price":15.41,"currency_code":"USD","in_stock":true},{"title":"Motor with Leads \/ Ratio 1:30 \/ 10 mm","offer_id":68073630171360,"sku":"CHS-GM12-15BY-0006","price":15.41,"currency_code":"USD","in_stock":true},{"title":"Motor with Leads \/ 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