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M3 x 8 mm CAP head screws to secure bearing clamps. Snug, but don't torque tight.

M3 screws longer than 8mm here will damage Z-axis screw rod. Bunnies recommend verifying clearance.

Continue checking that clamp screws do not extend much beyond nuts during tightening.

Photo shows hex socket screw. Current recommendation is round cap head screw. Hex socket screws sometimes needed heads filed to be flush with x-end.

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