{"product_id":"bi-directional-20mm-lead-screw-kit-for-3d-printers-8421","title":"Bi Directional 20Mm Lead Screw Kit For 3D Printers, 400Mm Length With Brass Nuts, Acme Thread, 4Mm Pitch, Single Start, Right And Left Hand, 190Mm Each Side, Durable And Easy Install","description":"\u003cdiv\u003eBi-Directional 20mm Lead Screw Kit for 3D Printers\u003cbr\u003e\n✔️ 400mm total length with 190mm per side, includes 2 brass nuts \u003cp\u003eThis bi-directional 20mm lead screw kit uses a 304 stainless steel rod with a 4mm lead and an ACME thread, designed for precise axial motion in 3D printers. It is ideal for upgrading Z-axis or dual-drive axes on Cartesian and delta machines, providing clean alignment and straightforward installation.\u003c\/p\u003e ✅ Lead screw diameter: 20mm \u003cbr\u003e\n✅ Lead \/ Pitch: 4mm \u003cbr\u003e\n✅ Total length: 400mm (15.75 in); 190mm per side \u003cbr\u003e\n✅ Material: 304 stainless steel rod with 4-holed T20 brass nuts \u003cbr\u003e\n✅ Includes: 1 right-hand and 1 left-hand screw; 2 brass nuts \u003cbr\u003e\n✅ No end machining required; pre-machined ends for easy install \u003cbr\u003e\n✅ Bi-directional operation keeps two nuts moving in sync to reduce error \u003cbr\u003e \u003cp\u003e💡 What is a lead screw kit used for in 3D printers?\u003c\/p\u003e\nThis handy setup provides precise linear motion for printer axes.\n- Handy for precise Z-axis and bed movement alignment\n- Improves motor synchronization when using dual drive screws\n- Uses corrosion-resistant stainless steel and brass nuts for longevity\n- Easy upgrade with minimal hardware changes \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48110757806315,"sku":"VXB0B6RL19XL","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61Rpp3fs8eL_8f61a4fd-3001-42bb-bf00-03c7bdb94bc7.jpg?v=1776484542","url":"https:\/\/vxb.com\/products\/bi-directional-20mm-lead-screw-kit-for-3d-printers-8421","provider":"VXB Bearings","version":"1.0","type":"link"}