M3 x 4mm Socket Head Cap Screw – Hex Drive | Steel Screw for 3D Printer, CNC, Robotics | Precision Hardware Fastener

Description ✅ Metric M3 thread – 3mm diameter✅ 4mm length – short and precise✅ Durable steel construction✅ Hex drive socket head (requires 2mm Allen key)✅ Great for 3D printer mods, stepper motors, brackets, hotends & more