{"product_id":"gt2-pulley-20-teeth-5mm-bore-aluminum-timing-pulley","title":"GT2 Pulley 20 Teeth 5mm Bore - Aluminum Timing Pulley","description":"\u003ch1\u003eGT2 Pulley 20 Teeth 5mm Bore - Aluminum Timing Pulley for Precision Motion\u003c\/h1\u003e\n\n\u003cp\u003eThe GT2 Pulley is a precision timing pulley designed for GT2 2mm pitch belts. Commonly used in 3D printers and CNC machines, it provides accurate motion control when paired with stepper motors. This aluminum pulley features 20 teeth and a 5mm bore, ideal for NEMA 17 motor shafts.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTooth Profile\u003c\/td\u003e\n\u003ctd\u003eGT2 (2mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNumber of Teeth\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBore Diameter\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBelt Width\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlange\u003c\/td\u003e\n\u003ctd\u003eDouble flange\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e3D printer axis drive system\u003c\/li\u003e\n  \u003cli\u003eCNC router linear motion\u003c\/li\u003e\n  \u003cli\u003eRobotics arm joint actuation\u003c\/li\u003e\n  \u003cli\u003eAutomatic belt-driven camera slider\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis pulley fits NEMA 17 stepper motors with 5mm diameter shafts, commonly found in 3D printers like the Ender 3 and Prusa i3. It pairs with standard 6mm wide GT2 timing belts. Compatible with control boards such as RAMPS 1.4, SKR, and Arduino-based setups.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eNo electrical connections are required. Secure the pulley onto the motor shaft using the two included M3 set screws, ensuring it aligns with the belt path to minimize wear. Avoid overtightening, which may strip the threads or bend the shaft.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Ender 3 3D printers?\u003c\/summary\u003e\u003cp\u003eYes, this 20-tooth GT2 pulley with a 5mm bore fits the standard NEMA 17 motors on the Ender 3 and similar printers.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the recommended belt tension?\u003c\/summary\u003e\u003cp\u003eFor optimal performance, adjust the belt so that it deflects about 2-3 mm when pressed with moderate force. Over-tensioning can cause motor skipping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this pulley come with set screws?\u003c\/summary\u003e\u003cp\u003eYes, two M3 set screws are included for secure mounting to the motor shaft.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445078942061,"sku":"CDN-0930","price":95.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_b8cb83be-c1fa-4d8c-bc8a-9cbeb9f8776e.jpg?v=1781513175","url":"https:\/\/compoden.com\/products\/gt2-pulley-20-teeth-5mm-bore-aluminum-timing-pulley","provider":"Compoden","version":"1.0","type":"link"}