40pcs Round Rubber End Caps 1/8" 1/4" 3/8" 1/2" Black Vinyl Cover Screw Thread Protectors Assortment Kit(3mm 6mm 9mm 12mm)

40-Piece Round Vinyl End Caps Set for UNC/UNF Threads - 1/8, 1/4, 3/8, 1/2 Inch Inner Diameters (3,6,9,12 mm) Protectors
✔️ 40 pcs end caps for UNC/UNF threads; four sizes: 1/8, 1/4, 3/8, 1/2 in (3,6,9,12 mm)

This 40-piece set provides black vinyl round end caps in four inner diameters (1/8", 1/4", 3/8", 1/2"). Made from flexible vinyl rubber, these caps insulate and protect threaded parts, furniture feet, and round tubing from wear and scratches. They’re a handy solution for finishing furniture, DIY projects, and electronics housings where you need a clean, snag-free edge and surface protection.

✅ Inner diameters: 1/8" (3.0 mm), 1/4" (6.0 mm), 3/8" (9.0 mm), 1/2" (12.0 mm) with wall thickness 0.8 mm (0.03 in) or 1.0 mm (0.04 in).
✅ Material: vinyl rubber, flexible and insulated, great for furniture, electronics, and DIY projects.
✅ Protective role: prevents floor scuffs and covers screws, round tubing, chair feet, patio furniture, and more.
✅ Size guidance: pick caps slightly smaller than the outer diameter; example for 9.8 mm OD choose 9.5 mm cap (0.386 in OD -> 0.374 in cap).
✅ Applications: cover screws and threaded parts, round tubing, furniture feet, and other rounded items.

💡 What is a round vinyl end cap used for and how do I choose the right size? Here's a quick guide: - Measure the outer diameter of the item to protect and pick a cap slightly smaller than that diameter. - Check thread compatibility: UNC/UNF/BSW/BSF or metric M types and select the matching cap. - Consider wall thickness and material flexibility for a snug fit and durable protection. These handy caps help keep surfaces safe and finishes looking clean in everyday setups. They’re a simple, effective way to protect floors and maintain a neat, professional look in any project.