550mm SFU1605 Ball Screw Kit with Metal Ball Nut, Ball Nut Housing, BK BF End Supports and Coupler, 16mm Diameter, 5mm Lead, End Machined CNC Parts for DIY CNC Machines and 3D Printers

550mm SFU1605 Ball Screw Kit with End Supports and Nut Housing
✔️ 16mm Diameter Ball Screw Set with 5mm Lead for CNC and 3D Printer

This SFU1605 ball screw kit is built for smooth, accurate linear motion in CNC machines, 3D printers, and light industrial setups. It’s a solid fit for DIY builds and motion systems where longer travel, clean alignment, and low friction really matter.

Pack size: 1 complete set including ball screw, metal ball nut, ball nut housing, BK12, BF12, and shaft coupler

✅ Ball screw diameter: 16mm and 0.62 inch
✅ Lead and pitch: 5mm and 0.20 inch per revolution
✅ Overall length: 550mm and 21.65 inches
✅ End machined for BK12 and BF12 bearing supports
✅ Includes metal ball nut with matching nut housing
✅ Includes 6.35mm and 0.25 inch by 10mm and 0.39 inch shaft coupler
✅ Made from carbon steel, bearing steel, and aluminum alloy
✅ Smooth motion with low friction and low operating noise
✅ Handy for CNC routers, 3D printers, grinding machines, and machine tools

Dimensions
Parameter Value
Screw Diameter 16mm 0.62 in
Lead Pitch 5mm 0.20 in
Overall Length 550mm 21.65 in
Coupler Bore 6.35mm 0.25 in
Coupler Length 10mm 0.39 in

💡 Why are longer ball screws used in CNC and automation motion systems?
Longer ball screws support extended travel while keeping motion accurate and efficient.

• Maintains smooth linear movement across longer machine axes

• Reduces friction compared to lead screws for cleaner motion

• Helps control heat buildup during long run cycles

• Improves positioning stability for CNC and 3D printer applications

This ball screw kit is a handy choice when you want steady long travel, clean motion control, and dependable performance in CNC and 3D printing projects.