All In One M3 Knurled Thumb Screw Variety Kit 42 Piece Nickel Plated Iron Thumb Screws In 6 8 10 12 16 20 30mm Flat Head Fully Threaded With Shoulder Grip For DIY Projects Machinery And Electronics

M3 Knurled Thumb Screw Kit - 42pc Nickel Plated Iron Set
✔️ Seven sizes: 6,8,10,12,16,20,30mm (0.24-1.2in), 42 pcs total

These knurled thumb screws are a compact, tool-free fastener set designed for quick adjustments in electronics, robotics, DIY furniture, and home projects. The seven size range covers most standard M3 threaded holes you’ll encounter in hobby builds and simple machines.

✅ Nickel-plated iron construction for durability
✅ Seven sizes: M3 6MM/0.24", 8MM/0.31", 10MM/0.4", 12MM/0.47", 16MM/0.63", 20MM/0.79", 30MM/1.2"
✅ Fully threaded with shoulder grip for easy hand tightening
✅ Flat knurled head adds grip and clean looks
✅ Includes 42 pieces total, 6 screws per size
✅ Widely used in electronics, DIY projects, furniture, and lampshades

💡 What is a handy way to choose fasteners for projects that need quick adjustments?

Handy, tool-free fasteners make setup and tweaks a breeze in tight spaces. - Choose thumb screws with the right thread (M3) to fit your holes and panels - Look for knurling and shoulder grip for solid, repeatable hand-tightening - Pick sizes that cover your most common uses to minimize swaps - Consider nickel plating for rust resistance in varying environments