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Split Ball Joint Hemisphere Set
This set holds every ball and spacer for the 'SG90 Mini Delta Pick-and-Place Robot' kit on one 87 × 87 mm sprue tree: 24 hemispheres, each 12 mm dia × 6 mm tall with a 3.4 mm M3 bore, and 12 spacers, 7 × 5.25 mm. Six hemispheres have a 6.2 mm counterbore for an M3x40 SHCS head and six have a 5.7 mm hex pocket for the M3 nut. Snap them off the sprue and they make the six ball pairs that seat in the 12.4 mm cups of the link rods.
🧩 Part of the SG90 Mini Delta Pick-and-Place Robot (all printed balls and spacers for the six stacks) kit.
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