Replace worn fasteners with the 3Racing Sakura D4 Zero M3 x 4 set screws to maintain chassis integrity. They are intended for routine repairs and modest upgrades where correct fastener length and thread size are important.
These set screws deliver predictable engagement and are a practical choice for hobbyists focused on reliability. Use them to secure suspension mounts, body posts, and other M3-compatible points on the Sakura D4.
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