gearbox screw M3
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M3 x 5mm Grub Screw – DIN916 Black Grade 12.9 Alloy Steel | Cup Point Set Screw for 3D Printers, Pulleys, Stepper Shafts, Robotics
$0.14• GT2 timing pulley locks
• Stepper motor shaft retention
• Gear and coupler tightening
• Linear rail and drag chain applications
• Robotics and frame alignment