{"product_id":"high-precision-ball-screw-nut-set-sfu1605-tbi2005","title":"High Precision Ball Screw \u0026 Nut Set – SFU1605 \u0026 TBI2005","description":"\n\u003ch2\u003eHigh Precision Ball Screw \u0026amp; Nut Set – SFU1605 \/ TBI2005\u003c\/h2\u003e\n\u003cp\u003eUpgrade your CNC machine, 3D printer, or linear motion system with this \u003cstrong\u003eHigh Precision Ball Screw and Nut Set\u003c\/strong\u003e. Featuring both \u003cstrong\u003eSFU1605\u003c\/strong\u003e and \u003cstrong\u003eTBI2005\u003c\/strong\u003e specifications, this matched screw-and-nut pair delivers smooth, low-friction linear motion with exceptional positional accuracy — ideal for hobbyists, engineers, and professional machinists alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Ball Screw Set?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Precision Engineering:\u003c\/strong\u003e Manufactured to tight tolerances for minimal backlash and repeatable positioning — critical for CNC routers, laser engravers, and automated tables.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatched Screw \u0026amp; Nut Pair:\u003c\/strong\u003e The ball nut and screw shaft are designed to work together seamlessly, ensuring consistent load distribution and extended service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSFU1605 \u0026amp; TBI2005 Compatible:\u003c\/strong\u003e Suitable for a wide range of DIY and industrial linear motion applications. The 16mm diameter and 5mm lead pitch (SFU1605) and 20mm diameter 5mm pitch (TBI2005) cover common build requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow-Friction Ball Recirculation:\u003c\/strong\u003e Hardened steel ball bearings recirculate smoothly inside the nut, reducing friction and wear compared to traditional ACME or trapezoidal leadscrews.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Made from high-quality hardened steel for long-lasting performance under continuous use and varying load conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Electrification Required:\u003c\/strong\u003e A purely mechanical component — simply mount to your existing drive system (stepper motor, servo, or hand crank).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Contains no regulated hazardous substances, making it safe for workshop use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCNC milling machines \u0026amp; routers\u003c\/li\u003e\n  \u003cli\u003e3D printers (Z-axis and X\/Y axis drives)\u003c\/li\u003e\n  \u003cli\u003eLaser engravers \u0026amp; plasma cutting tables\u003c\/li\u003e\n  \u003cli\u003eLinear actuators \u0026amp; automated positioning tables\u003c\/li\u003e\n  \u003cli\u003eDIY machining \u0026amp; fabrication projects\u003c\/li\u003e\n  \u003cli\u003eRobotics and automation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModels Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSFU1605 Ball Screw + TBI2005 Ball Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSFU1605 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSFU1605 Lead Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 mm per revolution\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTBI2005 Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTBI2005 Lead Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 mm per revolution\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e – Perfect for automating your CNC or linear motion control circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e – Ideal for precision DIY electronics projects alongside your motion system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExpert Reference\u003c\/h3\u003e\n\u003cp\u003eFor guidance on mechanical design standards, tolerancing, and best practices in precision machinery, visit the \u003ca href=\"https:\/\/www.nist.gov\/manufacturing\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST Manufacturing Portal\u003c\/a\u003e — a trusted resource for engineers and machinists.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the SFU1605 and TBI2005 ball screws in this set?\u003c\/h4\u003e\n\u003cp\u003eA: The \u003cstrong\u003eSFU1605\u003c\/strong\u003e is a 16mm diameter ball screw with a 5mm lead pitch, commonly used in smaller CNC builds and 3D printer Z-axes. The \u003cstrong\u003eTBI2005\u003c\/strong\u003e is a heavier-duty 20mm diameter ball screw also with a 5mm lead pitch, suited for larger or higher-load linear motion applications. This set gives you both options in one purchase.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are the ball nut and screw shaft pre-matched or sold separately?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes a matched \u003cstrong\u003eball screw and nut pair\u003c\/strong\u003e for each model. The nut and shaft are designed to work together, ensuring proper ball size compatibility and minimal backlash right out of the box.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What motor type is compatible with these ball screws?\u003c\/h4\u003e\n\u003cp\u003eA: These ball screws are mechanically agnostic — they are compatible with \u003cstrong\u003estepper motors, servo motors, and DC motors\u003c\/strong\u003e via appropriate couplings and end machining. The 5mm pitch per revolution also makes manual hand-wheel operation smooth and precise.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do these ball screws require lubrication?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. For best performance and longevity, it is recommended to apply a light machine grease or way oil to the ball nut and screw shaft periodically. This reduces wear and keeps the recirculating balls running smoothly under load.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the SFU1605 and TBI2005 ball screws in this set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The SFU1605 is a 16mm diameter ball screw with a 5mm lead pitch, commonly used in smaller CNC builds and 3D printer Z-axes. The TBI2005 is a heavier-duty 20mm diameter ball screw also with a 5mm lead pitch, suited for larger or higher-load linear motion applications. This set gives you both options in one purchase.\"}}, {\"@type\": \"Question\", \"name\": \"Are the ball nut and screw shaft pre-matched or sold separately?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes a matched ball screw and nut pair for each model. The nut and shaft are designed to work together, ensuring proper ball size compatibility and minimal backlash right out of the box.\"}}, {\"@type\": \"Question\", \"name\": \"What motor type is compatible with these ball screws?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These ball screws are mechanically agnostic — they are compatible with stepper motors, servo motors, and DC motors via appropriate couplings and end machining. The 5mm pitch per revolution also makes manual hand-wheel operation smooth and precise.\"}}, {\"@type\": \"Question\", \"name\": \"Do these ball screws require lubrication?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. For best performance and longevity, it is recommended to apply a light machine grease or way oil to the ball nut and screw shaft periodically. 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