{"product_id":"16mm-ballscrew-sfu1604-rm1604-30in-4mm-pitch-high-precision","title":"16mm Ballscrew SFU1604 RM1604 30in 4mm Pitch - High Precision","description":"\u003cp\u003eIn this review of the 16mm Ballscrew SFU1604 RM1604, the bottom line is clear: it is a straightforward, high-precision rolled-thread ballscrew for hobbyist and light industrial CNC builds that need smooth, low-friction linear motion. The unit reviewed is a 16mm diameter screw with a 4mm pitch and a total length of 30in (762mm) supplied without end processing. For anyone who needs a durable, low-noise lead screw that reduces driving power and provides accurate positioning, this ballscrew delivers the core mechanical performance you expect without extra finishing or mounting hardware.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16mm diameter:\u003c\/strong\u003e compact shaft size that fits many small to medium CNC machines and linear stages while keeping rigidity reasonable for its class.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4mm pitch (lead):\u003c\/strong\u003e offers a good balance of travel speed and positional resolution for micro-feeding and common CNC applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30in total length, no end processing:\u003c\/strong\u003e ready for custom machining or coupling to your chosen end supports, which keeps the base price lower and allows tailored installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC7 precision grade:\u003c\/strong\u003e rolled-thread manufacturing with C7 tolerance provides consistent low friction and long service life for applications that do not require ultra-high precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow friction, low noise operation:\u003c\/strong\u003e ball motion reduces stick-slip and heating so motors can run with smaller starting torque and reduced power draw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory support and files:\u003c\/strong\u003e the seller supplies CAD drawings and 3D model files on request, which simplifies integration into custom builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis ballscrew is aimed at makers, small machine shops, and engineers building or repairing hobbyist CNC routers, small lathes, and linear actuators who want a robust, rolled ball screw that performs well for general-purpose motion control. It suits projects that require smoother motion, reduced motor load, and better positioning than plain lead screws provide.\u003c\/p\u003e\n\u003cp\u003eThose who need pre-machined ends, integrated couplings, or the tightest tolerances for precision metrology should look elsewhere or plan on additional machining; the product ships with no end processing and is specified as C7 grade rather than C5, though the seller can provide alternative grades on request.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConsistent low-friction ball motion improves responsiveness and reduces heat during prolonged runs.\u003c\/li\u003e\n\u003cli\u003eBalanced 4mm pitch allows both decent feed rates and fine control for many CNC tasks.\u003c\/li\u003e\n\u003cli\u003eSupplier provides CAD and 3D files which speeds up integration into custom assemblies.\u003c\/li\u003e\n\u003cli\u003eFactory stock and customization options make it scalable for different lengths or grades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eShips with no end processing, so buyers must arrange machining or couplings to fit their hardware.\u003c\/li\u003e\n\u003cli\u003eC7 grade is good for many uses but not as tight as C5 for ultra-precise applications unless specially ordered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSFU1604 RM1604\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLead \/ Pitch\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Length\u003c\/td\u003e\n\u003ctd\u003e30in \/ 762mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNut\u003c\/td\u003e\n\u003ctd\u003eIncluded (ball screw nut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrecision Grade\u003c\/td\u003e\n\u003ctd\u003eC7 (factory can provide C5 on request)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eGCr15 steel, rolled thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SFU1604 RM1604 16mm ballscrew is a solid, cost-effective choice for builders who need reliable, low-friction linear motion and are prepared to handle end machining themselves. It represents good value for hobbyist and light industrial CNC setups where C7 tolerance and rolled manufacturing meet the needs for smooth operation and long service life. Order if you want a dependable core component with vendor support and CAD files.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the screw include a nut?\u003c\/strong\u003e\u003cbr\u003eYes, the package includes one ballscrew nut but the screw arrives with no end processing so you will need to add couplings or machined ends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat precision grade is supplied?\u003c\/strong\u003e\u003cbr\u003eThe standard offering is C7 grade; the seller can provide C5 grade on request for tighter tolerance needs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan custom lengths be ordered?\u003c\/strong\u003e\u003cbr\u003eYes, the factory offers customizable lengths - contact the seller with required dimensions and intended use.\u003c\/p\u003e","brand":"Mssoomm","offers":[{"title":"Default Title","offer_id":48638893064411,"sku":"B088NN7XF9","price":101.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61nQmhxrMoL._SL1500_c5aa1a44-7da3-49a5-b589-9453a49a44a3.jpg?v=1778599187","url":"https:\/\/gearmusthave.com\/products\/16mm-ballscrew-sfu1604-rm1604-30in-4mm-pitch-high-precision","provider":"GearMustHave","version":"1.0","type":"link"}