Knurled Head Thumb Screws With Collar Aluminum 1/4-20 UNC Threads 1/2 Inch Length Silver Pack Of 10 For Easy Hand Tightening And Secure Mounts In Metalworking, Woodworking, Electronics And DIY Projects

Aluminum knurled thumb screws with collar, 1/4-20 UNC
✔️ 1/4-20 UNC, 1/2 in length, aluminum, silver, pack of 10

These knurled head thumb screws are lightweight aluminum fasteners designed for quick, tool-free hand tightening in metalworking, woodworking, electronics, and DIY projects. The collar keeps the screw from over-tightening and ensures consistent seating.

✅ Thread size: 1/4-20 UNC (≈6.35 mm, 20 TPI)
✅ Length: 1/2 in (12.7 mm)
✅ Head diameter: 3/4 in (19.05 mm)
✅ Head thickness: 3/8 in (9.53 mm)
✅ Material: Aluminum, silver finish
✅ Pack: 10 pieces

💡 What is a knurled head thumb screw with collar used for in DIY setups? This handy fastener is designed for quick, tool-free mounting and adjustable hold in a variety of projects.

- Handy for panel mounting, jigs, fixtures, and tool mounts - Collar helps maintain clamp depth and reduces slip - Works with standard 1/4-20 threaded holes in metal or wood - Lightweight aluminum offers corrosion resistance and easy handling