Left Hand 1/2-10 Stainless Steel ACME Threaded Rod Lead Screw Brass Nut 12 24 36 RM 45.99 to RM 186.76
8mm T8x2 Lead Screw Threaded Rod T8 Trapezoidal ACME Stepper 150 200 250 300 400 RM 37.49 to RM 56.26