Headless Screws Headless Screws Features & Benefits: Tyber Medical headless screws boast the most updated features with the largest range of size options. Ø1.5mm to a Ø9.0 thread diameter Short, long or full thread lengths Titanium or stainless steel Torx or hex drivers Multiple cannulation diameters Sterile or non-sterile packaging Self-drilling and self-tapping Minimal head profile Pending CE