This premium 4.0 mm/3.0 mm self-drilling Schanz screw features an 80 mm total length and a 20 mm threaded core segment custom-machined from surgical stainless steel for external fixation frames. The self-drilling tip profile cuts cleanly into cortical bone blocks, establishing an exceptionally tight mechanical interface without pre-drilling tracking errors. Delivered sterile as an individual single-use orthopedic implant to satisfy absolute material cleanliness parameters.