Timing Pulley GT2 (30 Teeth- 8 mm Inner Diameter- 6 mm Width) 148 connecting them at the two

connecting them at the two ends

The BF Floating Ballscrew Support Units

7V 18650 Lithium  Battery Holder

This is the 30 pin version

Digital Output Voltage: 0V or 5V (TTL Logic)

Timing Pulley GT2 (30 Teeth- 8 mm Inner Diameter- 6 mm Width) 148 connecting them at the twoThe GT2 pulley with 30 teeth or grooves is one of the best choices for 3d printer construction or XYZ linear motion for small CNC because the gt2 pulley tooth profile is anti backlash. Why? The rounded teeth of this tooth and belt are engaged together longer providing a smoother transition between teeth. This is what you need for your 3D printer or transmission mechanism. This pulley has 30 teeth, and a 8 mm inner bore. Two set screws can be used to