Our Fixed Fiber Collimator Adapters offer a secure and versatile solution for mounting fiber collimators. Available in two subcategories—with one setscrew or two setscrews—they ensure precise and stable positioning. These adapters feature SM05 or SM1 external threads, internal smooth bore diameters ranging from 3.5 mm to 16 mm, and two holes on the bottom designed for use with a spanner wrench, facilitating easy adjustments. They are ideal for integrating fiber collimators into a variety of optical setups.