{"product_id":"gt2-2gt-timing-pulley-6mm-belt-3-8mm-bore","title":"GT2 2GT 6mm Riemenscheibe Bohrung 3mm-8mm Zahnrad Pulley, für 3D Drucker, CNC","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eGT2 2GT Timing Pulleys with 6mm Belt — Precise Motion Control for 3D Printers \u0026amp; CNC\u003c\/h2\u003e\n\u003cp\u003eWhen your 3D printer or CNC router loses positional accuracy, the culprit is often a worn or mismatched timing pulley. Makers, engineers, and workshop builders who demand repeatable motion need a GT2 2GT pulley that fits their shaft and belt without play or slippage.\u003c\/p\u003e\n\u003cp\u003eThese GT2 2GT timing pulleys are machined to accept a 6mm wide GT2 belt and are available with bore diameters ranging from 3mm to 8mm (~0.12\" to 0.31\"). Tooth counts of 16T and 20T are offered in both with-bore (Mit Loch) and without-bore (Ohne Loch) styles, letting you press-fit or set-screw mount to your shaft of choice.\u003c\/p\u003e\n\u003cp\u003eTypical applications include Cartesian and CoreXY 3D printer axis drives, CNC router gantry systems, laser engraver motion stages, and custom belt-driven linear actuators where a GT2 2GT 6mm timing pulley replacement or upgrade is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003eCompatible with:\u003c\/strong\u003e GT2 \/ 2GT 6mm wide timing belts • Standard GT2 belt profiles • 3D printer motion systems (Cartesian, CoreXY, Delta) • CNC router and laser engraver gantries • Custom belt-driven linear actuators\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These GT2 2GT Timing Pulleys\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e \u003cstrong\u003eGT2 \/ 2GT Profile\u003c\/strong\u003e\n\u003cp\u003eMatches the industry-standard 2mm pitch GT2 belt profile for smooth, low-backlash power transmission in precision motion systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003e6mm Belt Width\u003c\/strong\u003e\n\u003cp\u003eDesigned specifically for 6mm wide GT2 belts — the most common width used in desktop 3D printers and compact CNC machines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eMultiple Bore Options (3mm–8mm)\u003c\/strong\u003e\n\u003cp\u003eChoose from 3mm, 5mm, or 8mm bore diameters to match your motor shaft or idler shaft without additional machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003e16T \u0026amp; 20T Tooth Counts\u003c\/strong\u003e\n\u003cp\u003eSelect 16-tooth for higher torque and finer resolution, or 20-tooth for faster travel speed — both common in RepRap-style printer builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eWith or Without Bore (Mit \/ Ohne Loch)\u003c\/strong\u003e\n\u003cp\u003eThe \"Mit Loch\" (with bore) variant ships ready to mount; \"Ohne Loch\" (without bore) is ideal for custom machining to your exact shaft size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e \u003cstrong\u003eBroad Application Fit\u003c\/strong\u003e\n\u003cp\u003eSuited for 3D printer X\/Y axis drives, CNC router gantries, laser cutter motion stages, and any belt-driven linear motion project requiring a GT2 2GT 6mm pulley.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — GT2 2GT Timing Pulley\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Profile\u003c\/th\u003e\n\u003ctd\u003eGT2 \/ 2GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Pitch\u003c\/th\u003e\n\u003ctd\u003e2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Width\u003c\/th\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count\u003c\/th\u003e\n\u003ctd\u003e16T or 20T (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003e3mm, 5mm, or 8mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Style\u003c\/th\u003e\n\u003ctd\u003eWith bore (Mit Loch) or Without bore (Ohne Loch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHub \/ Flange\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich tooth count should I choose — 16T or 20T?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eChoose 16T for higher torque output and finer positional resolution per motor step — ideal for direct-drive or high-precision CNC setups. Choose 20T for faster belt travel speed per motor revolution, which is common in standard Cartesian 3D printers like the Ender series. Check your printer's or machine's original specification before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat bore diameter do I need?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the bore to your stepper motor shaft diameter. Most NEMA 17 motors use a 5mm shaft, making the 5mm bore the most common choice. If you are mounting to a custom idler shaft or a different motor, measure the shaft with calipers before selecting. The \"Ohne Loch\" (without bore) option lets you machine the bore to any custom size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between \"Mit Loch\" and \"Ohne Loch\"?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e\"Mit Loch\" means the pulley comes with a pre-machined bore hole (3mm, 5mm, or 8mm) ready to mount on a shaft. \"Ohne Loch\" means the pulley body has no bore — it is intended for users who want to machine or drill a custom bore size in their own workshop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this pulley work with my GT2 belt?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — these pulleys are designed for the standard GT2 \/ 2GT belt profile with a 2mm pitch and 6mm width. They are compatible with GT2 belts from all major suppliers. Ensure your belt is also 6mm wide; GT2 belts are also available in 10mm and other widths, which require a different pulley.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these pulleys suitable for high-speed or continuous-duty use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese pulleys are well-suited for the duty cycles typical of desktop 3D printers, laser engravers, and light CNC routers. For heavy industrial continuous-duty applications with very high speeds or loads, verify the material specification of your chosen variant and consult the load ratings for your belt system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I secure the pulley to the motor shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe \"Mit Loch\" variants typically include or are designed for a set screw (grub screw) to clamp onto the motor shaft. Ensure the flat of the motor shaft (if present) aligns with the set screw for a secure grip. If your variant does not include a set screw, a standard M3 grub screw is commonly used. Check the variant details or contact us to confirm fastener requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these pulleys as idler pulleys?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe toothed variants are designed as drive pulleys. For idler use, a smooth (toothless) idler pulley is typically preferred to avoid belt wear. However, toothed idlers are used in some printer designs — confirm your machine's BOM (bill of materials) to determine whether a toothed or smooth idler is required at each position.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Model, Style, and Bore \u0026amp; Belt Width above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"2GT-20T \/ Mit Loch \/ 3mm \u0026 6mm","offer_id":52446050779410,"sku":"KFCBJT00388x1","price":2.52,"currency_code":"USD","in_stock":true},{"title":"2GT-16T \/ Ohne Loch \/ 5mm \u0026 6mm","offer_id":52446050812178,"sku":"KFCBJT00389x1","price":3.2,"currency_code":"USD","in_stock":true},{"title":"2GT-20T \/ Ohne Loch \/ 8mm \u0026 6mm","offer_id":52446050844946,"sku":"KFCBJT00390x1","price":3.2,"currency_code":"USD","in_stock":true},{"title":"2GT-20T \/ Mit Loch \/ 5mm \u0026 6mm","offer_id":52446050877714,"sku":"KFCBJT00391x1","price":3.2,"currency_code":"USD","in_stock":true},{"title":"2GT-16T \/ Mit Loch \/ 3mm \u0026 6mm","offer_id":52446050910482,"sku":"KFCBJT00392x1","price":3.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Bild4von7_ae21ac4d-d2d1-412e-b8f9-2580c9137a65.jpg?v=1784117524","url":"https:\/\/homediyer.com\/products\/gt2-2gt-timing-pulley-6mm-belt-3-8mm-bore","provider":"HomeDIYer","version":"1.0","type":"link"}