Knurled Thumb Nuts Set Of 26 M3x7mm Carbon Steel Round Knobs Fasteners With High Head Through Hole Hand Screws For 3D Printer Parts And Machinery Black Built Tough And Durable

26-Pack M3x0.5 Knurled Thumb Nuts, 7mm High
✔️ 26 pcs, M3x0.5mm thread, carbon steel, 7mm tall, 11mm dia

These knurled thumb nuts are hand-tightened fasteners designed for tool-free assembly and quick adjustments on 3D printer beds, machinery panels, and furniture fixtures.

✅ Thread size: M3 x 0.5mm (D x P)
✅ Material: carbon steel with anti-oxidation finish for long life
✅ Height: 7mm, outside diameter: 11mm (7mm/0.28 in, 11mm/0.43 in)
✅ Knurled surface for easy hand tightening without tools
✅ Pack of 26 pieces, ideal for 3D printer beds and general fastening

💡 What is a knurled thumb nut used for in DIY electronics and machinery setups?

This handy fastener lets you tighten and adjust parts by hand, saving time and avoiding tools.

• Use with M3 threads and screw inserts for a secure fit
• Great for 3D printer beds, panels, and equipment where quick access is needed
• Durable carbon steel stands up to repeated tightening
• Clear knurling gives strong grip even with gloves