Left Hand 1/2-10 Stainless Steel ACME Threaded Rod Lead Screw Brass Nut 12 24 36 $9.80 to $39.80Extra 10% off
Flexible Plum Coupling Shaft Coupler 5 6.35 8 10 12 mm CNC Reprap 3D printer $6.99 to $7.99Extra 10% off
10mm T10x2 Lead Screw Trapezoidal ACME Lead Screw w/ Brass Nut 200 300 400 $5.49 to $12.99Extra 10% off
US Ship Digital Light Intensity Sensor Module Photo Resistor for Arduino etc $1.49 to $3.49Extra 10% off
8mm T8x2 Lead Screw Trapezoidal ACME w/ Anti-Backlash Nut kit 500 600 1000 cut $24.80 to $32.80Extra 10% off
US Ship 5V Relay Module High Triggered w/ LED For Arduino PIC AVR DSP ARM MCU $1.99 to $4.99Extra 10% off