M3 x 50mm Socket Head Cap Screw | DIN912 Metric Steel Bolt 0.5mm Pitch | Long M3 Fastener for 3D Printers CNC Robotics V-Slot Frame Assembly

Description ✅ M3 diameter – 50mm length✅ DIN912 spec – tall cap head with hex socket✅ 0.5mm thread pitch – ISO metric standard✅ Carbon steel – strong and reliable✅ Hex socket drive – fits 2mm Allen key✅ Great for mounting spacers, toolheads, or deep panels