300mm 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

300mm 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 made for smooth, accurate linear motion in CNC machines, 3D printers, and light industrial equipment. It’s a solid fit for DIY builds and compact motion systems where clean alignment and steady travel 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: 300mm and 11.81 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 travel with low friction and reduced 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 300mm 11.81 in
Coupler Bore 6.35mm 0.25 in
Coupler Length 10mm 0.39 in

💡 Why use a mid length ball screw assembly in CNC and 3D printer motion systems?
Mid length ball screws balance accuracy, stiffness, and easy installation for compact machines.

• Provides smooth and repeatable linear positioning

• Reduces friction compared to standard lead screws

• Keeps heat and drive load lower during long run cycles

• Improves motion stability for CNC and printer axes

This ball screw kit is a handy choice when you want reliable motion control, clean alignment, and consistent performance in CNC and 3D printing projects.