DIYers and furniture builders, these Zorveiio hanger bolts are seriously useful for all kinds of woodworking projects! You get 20 M4 hanger bolts that are 25mm total length, with 0.49 inches of wood screw thread on one end and 0.49 inches of machine thread on the other. Made from galvanized carbon steel, these bolts are corrosion-resistant and built to last through years of use. The clean, neat threads install smoothly without burrs or slipping, making them easy to work with. They're perfect for connecting wood to metal components - think furniture legs, table bases, chair repairs, or any project where you need to join wood to threaded inserts or metal parts. The double-ended design means you can screw the wood thread end securely into your wooden piece while the machine thread end connects to metal components. Whether you're building custom furniture, repairing existing pieces, or working on pet furniture projects, these versatile hanger bolts provide a strong, reliable connection that looks professional and holds up over time. They're one of those hardware supplies that you'll find yourself reaching for again and once you have them in your toolbox!