4 Pack M3x6mm Flat Knurled Head Thumb Screws Solid Carbon Steel Fully Threaded Bolts Fasteners For Lighting Home Appliances Electronics DIY Projects Vintage Lamps Repair Black

4-Pack M3x6 Flat Knurled Thumb Screws, Carbon Steel
✔️ M3x6mm fully threaded, knurled head, nickel-plated steel, 4 pcs

Knurled head thumb screws are compact, hand-tightened fasteners designed for quick adjustments in lighting fixtures, electronics, and DIY projects. They’re ideal for vintage lamp repairs, shade fittings, panel mounting, and lightweight mechanical parts.

✅ Thread size: M3x6mm (M3x0.24 in)
✅ Head size: 11x7 mm (0.43x0.28 in)
✅ Material: carbon steel, nickel plating, color: Black
✅ Type: fully threaded, knurled head for hand tightening
✅ Pack: 4 pcs

💡 What is a knurled head thumb screw used for in lighting and electronics?

Handy, tool-free fastener that makes quick, secure hand-tightening possible.

• Hand-tightening grip for quick adjustments
• Used in vintage lamp repairs, shade fittings, panels, electronics
• Durable carbon steel with nickel coating for long life
• Fully threaded shaft provides firm, even clamping