EEEEE M2–M4 Brass Standoff Kit (572pcs)
M2/M2.5/M3/M4 hex brass standoffs, screws and nuts — mounts any board on your arm.
Best for: Mounting every board
Nothing stalls a build like being one M3 screw short. A standoff-and-screw assortment lets you mount the Arduino, driver board and power module cleanly off the frame (so solder joints don’t short), and supplies the small fasteners that printed brackets and servo horns need. Brass and nylon standoffs in M2–M4 cover essentially every board and bracket on a hobby arm.
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M2/M2.5/M3/M4 hex brass standoffs, screws and nuts — mounts any board on your arm.
Best for: Mounting every board
Non-conductive M3 nylon standoffs and screws — safe board mounting with zero short risk.
Best for: Short-safe board mounting
Compact M2/M2.5/M3 brass standoff assortment — covers Raspberry Pi and small boards.
Best for: Pi & small-board builds
How to build a 3D printed robotic arm — choosing a design, the best servos and bearings, print settings for strong parts, and assembling a precise 6-axis manipulator.
Start hereLearn how to build a robotic arm from scratch — the parts, degrees of freedom, wiring and code you need, plus a clear path from your first servo to a working 6-axis arm.
Builds by platformBuild a 4-DOF Arduino robotic arm with hobby servos. Full parts list, wiring diagram, power tips and copy-paste Arduino code to control it with potentiometers or serial commands.