304 Stainless Steel Shaft Collars with Set Screws & Hex Key, 2 Pack, 5-25mm Inner Diameter (Bore Size), CNC Machined Precision Locking Collars for Automation, Machinery, 3D Printer, DIY Projects

["Premium 304 Stainless Steel Construction - Highly resistant to rust and corrosion, ideal for humid environments, outdoor applications, Far superior to aluminum or carbon steel alternatives","Full Sizing (5-25mm) - Precise inner diameter options from 5mm to 25mm for accurate shaft matching","The single set screw locking structure provides reliable axial holding power, preventing slippage and ensuring stable positioning on the shaft. The matching 304 stainless steel set screws avoid electrochemical corrosion, maintaining a tight lock for long-term use without damaging the shaft surface","Each set includes 2 shaft collars, 2 matching set screws, and 1 dedicated hex wrench. No extra tools or accessories are needed—unbox and install directly, saving your time and procurement costs. Ideal for maintenance, repair, and new equipment assembly","Suitable for a variety of uses, including industrial automation, conveyor systems, motor shafts, lead screws, 3D printers, CNC machines, fitness equipment, DIY projects. A versatile solution for all your shaft positioning and limiting needs"]