100 Pcs M3 X 40Mm Knurled Aluminum Standoff Spacer Column, Black

What is this?This aluminum standoff is designed for RC Quadcopters/FPV Drones, DIY models, electronic workbenches, and motherboard mounting, suitable for outdoor activities, construction projects, and DIY/professional applications. It serves as a connecting rod, tie rod, or top column, facilitating secure fixing and connecting in various applications.What will I get?Aluminium standoffs round spacers, is in size of:Inner Screw Thread: M3 x 0.5mm;Total Length: 40mm/1.57 inch;Diameter of Standoff: 5mm/0.2 inch;Color: Black;Material: Aluminium Alloy;In the package of: 100 Pcs x Knurled Aluminium Column.Are there any advantages of the product?Durable Material: Made of good-quality aluminum alloy with high strength, the double-head spacer column is lightweight yet sturdy, with corrosion resistance and strong hardness for long-lasting performance. The surface is sandblasted and anodized, smooth, bright, and burr-free, providing a cool, shiny appearance while protecting against wear.Enhanced Stability: Featuring a knurled mesh design for improved grip and stability, the standoff ensures secure connections during assembly and disassembly.How to use it?These aluminum knurled spacers are used to create precise gaps and secure components. Simply align with threaded holes, tighten manually or with the tool, and pair with screws or nuts to sandwich parts, increasing contact area for safer and more secure connections.What should I notice?Please check the size before purchasing and ensure proper alignment and secure tightening of screws during installation to maximize stability.