16pcs/Set 10mm M4 Threaded Steel Ball Rod Ends - High Strength Magnetic Joints for Kossel 3D Printer, CNC Machines & Robotics (Perfect for DIY Repairs & Upgrades)

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Outer Diameter: Φ10 (mm) Thread: M4 Material: Steel Package Includes 16pcs M4 Threaded Steel Ball

Threaded steel ball rod end is for mini kossel delta 3D printer magnetic ball joint system. Each printer will need 12 pieces.

16 x 10mm M4 Threaded Steel Ball Rod Ends for Kossel 3D Printer Magnetic Joints Shafts

You'll need M4 x 20mm grub set screws to make connection with the carbon tube & 12 magnet for the joints.

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Perfect for a DIY Delta 3d printer hotend. Grab some dirt cheap M4 threaded rods, print an effector from thingiverse, and Bob's your uncle.