{"product_id":"gt2-aluminium-timing-pulley-20-tooth-5mm-bore-for-6mm-belt","title":"GT2 Aluminium Timing Pulley, 20 Tooth 5mm Bore for 6mm Belt","description":"\u003cstyle\u003e.nznpd{--o:#F57C00;--od:#E65100;--ink:#0F172A;--mut:#5b6573;--line:#E8ECF0;--soft:#F7F8FA;max-width:1120px;margin:0 auto;color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;line-height:1.6}.nznpd,.nznpd *{box-sizing:border-box}.nznpd p{margin:0;color:var(--mut);font-size:15px;line-height:1.65}.nznpd strong{color:var(--ink)}.nznpd__intro{font-size:16px;color:var(--ink);font-weight:500;line-height:1.6}.nznpd__highlights{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(2,1fr);column-gap:36px}.nznpd__highlights li{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--ink);line-height:1.5;padding:12px 0;border-bottom:1px solid var(--line)}.nznpd__highlights li::before{content:\"\\25B8\";flex:0 0 auto;color:var(--o);font-size:12px;line-height:1.75}.nznpd__highlights li:nth-last-child(-n+2){border-bottom:none}.nznpd__qs{background:#FFF7EF;border:2px solid #FCE0C6;border-radius:16px;padding:22px}.nznpd__qs h3{margin:0 0 12px;font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:var(--od)}.nznpd__qs p{font-size:14px;line-height:1.6}.nznpd__block{margin-top:36px;padding-top:30px;border-top:1px solid var(--line)}.nznpd__h{margin:0 0 24px;padding-bottom:10px;font-size:1.15rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center;gap:10px}.nznpd__h::before{content:\"\";flex:0 0 auto;width:20px;height:3px;border-radius:2px;background:var(--o)}.nznpd__specs{border:2px solid var(--line);border-radius:12px;overflow:hidden}.nznpd__spec{display:grid;grid-template-columns:minmax(150px,.7fr) 1fr;gap:18px;padding:12px 16px;font-size:14px}.nznpd__spec:nth-child(odd){background:var(--soft)}.nznpd__spec span{color:var(--mut)}.nznpd__spec strong{font-weight:700}.nznpd__included{display:flex;gap:16px;align-items:center;border:2px solid var(--line);border-radius:16px;background:var(--soft);padding:18px 20px}.nznpd__qty{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:#FFF3E8;color:var(--o);font-weight:800;display:flex;align-items:center;justify-content:center}.nznpd__included strong{display:block;font-size:15px;margin-bottom:3px}.nznpd__uses{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.nznpd__use{padding:13px 14px;background:var(--soft);border-left:3px solid var(--o);border-radius:0 10px 10px 0;font-size:14px;color:var(--ink);line-height:1.4}.nznpd p.nznpd__note{margin-top:16px;background:var(--soft);border:2px solid var(--line);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--mut);line-height:1.55}@media (max-width:999px){.nznpd{padding-left:16px;padding-right:16px}}@media (max-width:749px){.nznpd{padding-left:14px;padding-right:14px}.nznpd__intro{font-size:15.5px}.nznpd__highlights{grid-template-columns:1fr;margin-top:18px}.nznpd__highlights li:nth-last-child(2){border-bottom:1px solid var(--line)}.nznpd__uses{grid-template-columns:1fr}.nznpd__spec{grid-template-columns:1fr;gap:2px}.nznpd__h{margin-bottom:16px}}\u003c\/style\u003e\u003cdiv class=\"nznpd\"\u003e\n\u003cdiv class=\"nznpd__lead\"\u003e\n\u003cp class=\"nznpd__intro\"\u003eThis is an aluminium \u003cstrong\u003eGT2 timing pulley\u003c\/strong\u003e with 20 teeth, a 5mm bore and a slot for 6mm wide belt, the same drive pulley used on the X and Y axes of most 3D printers and plenty of small CNC and linear builds. GT2 means a \u003cstrong\u003e2mm tooth pitch\u003c\/strong\u003e, so it runs on standard 2GT \/ GT2 6mm belt. Twin flanges keep the belt centred, and two M3 grub screws lock it firmly onto a 5mm motor shaft so it holds position under load instead of slipping.\u003c\/p\u003e\n\u003cbr\u003e\u003cul class=\"nznpd__highlights\"\u003e\n\u003cli\u003e20 teeth, GT2 profile (2mm pitch)\u003c\/li\u003e\n\u003cli\u003eRuns on standard 2GT \/ GT2 6mm belt\u003c\/li\u003e\n\u003cli\u003e5mm bore for NEMA 17 and 5mm shafts\u003c\/li\u003e\n\u003cli\u003eTwin flanges stop the belt walking off\u003c\/li\u003e\n\u003cli\u003eTwo M3 grub screws fitted for a firm grip\u003c\/li\u003e\n\u003cli\u003eMachined aluminium, light and hard wearing\u003c\/li\u003e\n\u003cli\u003eDrop-in for 3D printer X and Y axes\u003c\/li\u003e\n\u003cli\u003eGreat for CNC, plotters and linear motion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003csection class=\"nznpd__block\"\u003e\u003cdiv class=\"nznpd__qs\"\u003e\n\u003ch3\u003eHow to fit it\u003c\/h3\u003e\n\u003cp\u003eSlide the pulley onto your 5mm motor shaft and line one grub screw up with the flat on the shaft. Set the pulley height so it matches the idler and the belt path, then tighten both M3 grub screws with a 1.5mm hex key, the one on the flat first. Fit your 6mm GT2 belt between the flanges and tension it so it is firm with no sag.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__specs\"\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eTooth profile\u003c\/span\u003e\u003cstrong\u003eGT2 (2mm pitch)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eNumber of teeth\u003c\/span\u003e\u003cstrong\u003e20\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBore diameter\u003c\/span\u003e\u003cstrong\u003e5mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eBelt width\u003c\/span\u003e\u003cstrong\u003e6mm (2GT \/ GT2)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003ePitch diameter\u003c\/span\u003e\u003cstrong\u003eAround 12.7mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eFlanges\u003c\/span\u003e\u003cstrong\u003e2 (belt guiding)\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eGrub screws\u003c\/span\u003e\u003cstrong\u003e2 x M3, pre-fitted\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eOverall height\u003c\/span\u003e\u003cstrong\u003eAround 11mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eHub diameter\u003c\/span\u003e\u003cstrong\u003eAround 11mm\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nznpd__spec\"\u003e\n\u003cspan\u003eMaterial\u003c\/span\u003e\u003cstrong\u003eAluminium alloy\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eWhat's in the box\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__included\"\u003e\n\u003cdiv class=\"nznpd__qty\"\u003e1x\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGT2 20 tooth aluminium pulley, with two M3 grub screws fitted\u003c\/strong\u003e\u003cp\u003eBuy one or a whole handful. Bulk pricing kicks in automatically as you add more to your cart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"nznpd__block\"\u003e\u003ch3 class=\"nznpd__h\"\u003eGreat for\u003c\/h3\u003e\n\u003cdiv class=\"nznpd__uses\"\u003e\n\u003cdiv class=\"nznpd__use\"\u003e3D printer X and Y axis belt drive\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eEnder, CR-10 and Prusa style belt paths\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eNEMA 17 stepper motor shafts\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eCNC routers, plotters and pen machines\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eDIY linear motion and gantries\u003c\/div\u003e\n\u003cdiv class=\"nznpd__use\"\u003eAny 6mm GT2 belt build\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003cp class=\"nznpd__note\"\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e measurements are taken by hand, so please allow a millimetre or two of tolerance. This pulley is made for 6mm wide GT2 belt on a 5mm shaft, so check your belt width and shaft size before ordering. Shipped from our stock in Te Awamutu.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NZN Electronics","offers":[{"title":"Default Title","offer_id":42989843611744,"sku":"3DP-GT2-20T-B5-W6","price":3.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/2GT-20T-pulley-hero.png?v=1784891789","url":"https:\/\/www.nznelectronics.co.nz\/products\/gt2-aluminium-timing-pulley-20-tooth-5mm-bore-for-6mm-belt","provider":"NZN Electronics","version":"1.0","type":"link"}