The effect of drawing deformation on the microstructure, texture and mechanical properties of ultra-high strength TC10 Ti-alloy bars were investigated. TC10 alloy bars with a diameter of 16.4 mm were warm-drawn to various reductions, followed by annealing and solution-aging treatments, after which microstructure and mechanical properties were characterized. The results indicate that with the increasing drawing deformation, α-grains elongate along the drawing direction and develop a strong <\mathrm{10}\overline{\mathrm{1}}\mathrm{0}> fiber texture. Grain refinement plus work-hardening collectively raise strength but reduce plasticity of the Ti-alloy bar. After annealing, recovery and recrystallization occur, leading to an initial strengthening and subsequent weakening of the <\mathrm{10}\overline{\mathrm{1}}\mathrm{0}> texture. The strength of the annealed alloy slightly decreases compared to the as-drawn state, while the ductility improves. Solution-aging treatment leads to the precipitation of fine, acicular secondary α-phases, further increasing the strength but reducing the plasticity of Ti-alloy. At a drawing deformation of 59%, the solution-aged alloy exhibits optimal comprehensive properties, achieving a tensile strength of 1402 MPa and an elongation of 11.0%. These findings provide a meaningful reference for determining the drawing process parameters of TC10 alloy bars used in fastener manufacturing.