1.Product Overview The THK BTK1208V-2.6ZZ is a rolled ball screw single nut manufactured by THK. It features a 12 mm shaft outer diameter, a 8 mm lead, a compact return-pipe design with a round outer flange (flat on two sides), and integrated ZZ brush seals for contamination 👉 Get a quote within 24 hours for your project 2.Technical Specifications Model: BTK1208V-2.6ZZ Shaft Diameter (ID): 12 mm Lead (H): 8 mm Circuit Configuration: 1 row x 2.6 turns (2.6 load circuits)