650mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports & Coupler, 16mm Diameter 5mm Pitch RM1605, C7 Precision Surface
Technical diagram of 650mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports & Coupler, detailed dimensions
BF12 floated side support with diagram and dimensions table for 650mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports & Coupler.
Diagram of BK fixed side support with dimensions for 650mm SFU1605 CNC Ball Screw Assembly, including table of sizes.
Coupler for 650mm SFU1605 CNC Ball Screw Assembly, 6.35mm x 10mm, D25L30, shiny metal surface, used for secure linear motion.
650mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports & Coupler, 16mm Diameter 5mm Pitch RM1605 End Machined Ballscrew
Close-up of 650mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports & Coupler, emphasizing 16mm diameter, shiny surface

650mm SFU1605 CNC Ball Screw Assembly with Ballnut, BK12 BF12 Supports & Coupler, 16mm Diameter 5mm Pitch RM1605 End Machined Ballscrew, C7 Precision Shiny Surface for Smooth Low-Torque Linear Motion

$88.88 $150.00you save $61.12
SKU: VXB08B64H8FV
UPC: 00193019398685





SFU1605 650mm CNC Ball Screw Kit with Ball Nut and Supports
✔️ 16mm Diameter 5mm Lead RM1605 Ball Screw Assembly

This SFU1605 650mm ball screw kit is designed for CNC machines and linear motion systems that need smooth travel, solid stiffness, and accurate positioning over a mid-length stroke. It’s commonly used in CNC routers, automation equipment, and precision motion setups where low friction and reliable control are a must. Pack size includes a complete matched set with supports, coupler, and ball nut housing.

✅ Pack size: 1 ball screw, 1 ball nut with DSG16H housing, 1 BK12 support, 1 BF12 support, 1 coupler
✅ Ball screw model: SFU1605 / RM1605
✅ Nominal diameter: 16mm (0.630 in)
✅ Lead pitch: 5mm (0.197 in) per revolution
✅ Overall length: 650mm (25.60 in) including end machining
✅ Precision grade: C7
✅ Rolled thread with shiny wear-resistant surface
✅ Low starting torque for smooth startup and motor efficiency
✅ Compact design for easy mounting and removal
✅ Matched ball nut and screw for consistent accuracy
✅ Handy for CNC machines, automation systems, and precision motion builds

Dimensions
Diameter 16mm (0.630 in)
Lead 5mm (0.197 in)
Overall Length 650mm (25.60 in)

This SFU1605 setup delivers clean linear motion, reduced friction, and dependable positioning across medium-length CNC axes and automation projects.

💡 Why are matched ball screw and nut assemblies important in precision motion systems?
Matched ball screw assemblies are set up to maintain accuracy, smoothness, and long-term reliability.

  • Factory-matched components help control backlash and alignment

  • Consistent ball preload improves stiffness and positioning accuracy

  • Lower friction supports smoother motion and reduced drive load

  • Proper matching helps extend service life under continuous use

A dependable choice when you want smooth mid-range travel, stable accuracy, and efficient motion control in CNC and automation applications.

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