10 Pcs 1/4-20 Threaded Knurled Thumb Nuts With Black Plastic Star Knobs Easy Grip Clamping Screws For Replacing Umbrella Bases And Other Handy Fastening Projects Durable Carbon Steel Core

Ten-Pack 1/4-20 Knurled Thumb Nuts with Star Knobs
✔️ Ten 1/4-20 threaded knurled thumbscrews, 25 mm (0.98 in) star knob

These knurled thumbscrews come in a 10-piece set with black star knobs, designed for easy grip and quick clamping. They’re ideal for replacing umbrella bases, modifying furniture, and general fastening tasks in home, shop, and workshop environments.

✅ Thread size: 1/4-20; Thread length: 1 in (25.4 mm); Star knob diameter: 25 mm (0.98 in); Knob thickness: 11 mm (0.43 in); Material: carbon steel core with plastic knob
✅ Pack quantity: 10 pieces
✅ Color: Black
✅ Application: clamps, umbrella bases, machine fixtures

💡 What is a knurled thumb screw with star knob used for?

Handy fastener for quick, tool-free clamping across home, shop, and workshop applications.

- 1/4-20 thread size fits common hardware

- Easy grip star knob with knurled surface for safe hand tightening

- Carbon steel core with plastic knob keeps it strong yet light