Thumb Screws 1/4"- 20 × 0.63 Knurled Thumb Screw 1/4 × 20 Threaded Knobs for Machine Furniture Umbrella Base Replacement 12 PCS

Product Name: 12pcs 1/4-20 thumb screwColor: BlackMaterial: PP IronProduct Dimensions: As shown in the picture

• Tool-Free Installation: Designed for quick, tool-free setup and removal, these knurled thumb screws provide a secure, non-slip grip—making tightening and loosening easy even in applications requiring frequent adjustments
• Stainless Steel & Smooth Plastic Construction: Crafted from rust and corrosion-resistant stainless steel paired with lightweight, crack-resistant plastic knobs, these screws offer lasting performance and comfortable handling in diverse environments
• Precision-Engineered Threads: Featuring finely finished, burr-free threading with full, clear depth to ensure smooth engagement, even stress distribution, and reliable performance under demanding conditions
• Versatile Use: Suitable for a wide range of applications including machinery, instrument assembly, furniture upgrades, umbrella base replacement, and more—thanks to the universal 1/4-20 thread size
• Ample 12-Piece Set: Each package includes 12 threaded knurled thumb screws, providing enough quantity for various installation and replacement needs, offering great value and convenience