The company that developed and patented them is near me. There were several of them on the shuttles, some on the Hubble. If it's good enough for that, it'll be great for your 3D printer!
Climax Metal C 100 Collar Plated: π Exceptional Strength & Durability for Secure Shaft Attachment
3 Review
π₯ Climax 2C 200: The Ultimate Two Piece Clamping Plating Solution
3 Review
π© Climax 2C 112 Two Piece Clamping Plating: Enhanced Precision and Efficiency
3 Review
π§ Enhance Plating Precision with Climax RC 050 Coupling Length
3 Review