{"product_id":"double-pass-brass-universal-adapter-coupling-2-3mm-x-4mm","title":"Double Pass Brass Universal Adapter Coupling 2.3mm x 4mm","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003eDouble Pass Brass Universal Adapter Coupling 2.3mm × 4mm – Motor Shaft Coupling Joint\u003c\/h2\u003e\nThe \u003cstrong\u003emotor shaft coupling joint\u003c\/strong\u003e helps connect shafts of different diameters with stable torque transfer, making it suitable for builds that require precision. This design also supports compact assemblies used with \u003cstrong\u003ecoupling pump and motor\u003c\/strong\u003e layouts or lightweight \u003cstrong\u003ecoupling wheel\u003c\/strong\u003e mechanisms. The \u003cstrong\u003eDouble Pass brass adapter coupling 2.3mm × 4mm\u003c\/strong\u003e maintains smooth rotational output due to its rigid cylindrical structure and accurate bore sizing.\u003cbr\u003e\u003cbr\u003eAfter the shafts are inserted into each bore, the included \u003cstrong\u003eM3 clamp screws\u003c\/strong\u003e provide a tight and reliable fit. Because the \u003cstrong\u003emotor shaft coupling joint\u003c\/strong\u003e resists slip during movement, it is frequently used in miniature robotics, RC prototypes, and instrument adjustments that benefit from consistent alignment and torque stability.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eMaterial: Brass\u003c\/li\u003e\n\u003cli\u003eShaft Bore Sizes: 2.3mm and 4mm\u003c\/li\u003e\n\u003cli\u003eCoupler Length: 20 mm\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 9 mm\u003c\/li\u003e\n\u003cli\u003eLocking Hardware: M3 clamping screws (4 pcs)\u003c\/li\u003e\n\u003cli\u003eCoupler Type: Rigid cylindrical sleeve\u003c\/li\u003e\n\u003cli\u003eWeight: 8 g\u003c\/li\u003e\n\u003cli\u003eSurface Finish: Gold brass machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eAdaptable connection from 2.3mm shafts to 4mm components\u003c\/li\u003e\n\u003cli\u003eStable \u003cstrong\u003etorsional drive coupling\u003c\/strong\u003e for accurate transfer\u003c\/li\u003e\n\u003cli\u003eDurable brass build helps resist oxidation\u003c\/li\u003e\n\u003cli\u003eFour-point screw clamping enhances grip and alignment\u003c\/li\u003e\n\u003cli\u003eIdeal for compact modules using \u003cstrong\u003ecoupling pump and motor\u003c\/strong\u003e systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eMicro robotic drivetrain conversions using a \u003cstrong\u003emotor shaft coupling joint\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRC shaft diameter transitions and small \u003cstrong\u003ecoupling wheel\u003c\/strong\u003e assemblies\u003c\/li\u003e\n\u003cli\u003ePrecision instrument alignment systems\u003c\/li\u003e\n\u003cli\u003ePrototype torque transfer testing\u003c\/li\u003e\n\u003cli\u003eIntegration into \u003cstrong\u003ecoupling pump and motor\u003c\/strong\u003e mechanisms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eBody Length: 20 mm\u003c\/li\u003e\n\u003cli\u003eSleeve Diameter: 9 mm\u003c\/li\u003e\n\u003cli\u003eBore Dimensions: 2.3 mm and 4 mm\u003c\/li\u003e\n\u003cli\u003eScrew Thread Pattern: M3\u003c\/li\u003e\n\u003cli\u003eClamp Screws Included: 4 pcs\u003c\/li\u003e\n\u003cli\u003eTotal Mass: 8 g\u003c\/li\u003e\n\u003cli\u003eBody Style: Solid brass rigid sleeve\u003c\/li\u003e\n\u003cli\u003eFinish: Smooth precision-machined brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003e1 × Double Pass Brass Coupling (2.3mm × 4mm)\u003c\/li\u003e\n\u003cli\u003e4 × M3 Clamp Screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":48430124269820,"sku":"LGRO074","price":59.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/motor-shaft-coupling-joint-2-3mm-to-4mm-front-view.jpg?v=1764741451","url":"https:\/\/kitsguru.com\/fr\/products\/double-pass-brass-universal-adapter-coupling-2-3mm-x-4mm","provider":"KitsGuru","version":"1.0","type":"link"}