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Top-Fix Toilet Seat Expanding Anchor Pair
Two-anchor replacement kit for top-fixing toilet seats on one-piece and wall-hung pans whose 13–15 mm bolt holes are blind. Each anchor is a 20 mm flanged sleeve (12.6 mm OD, four 1.8 mm flex fingers 14 mm long) plus a wedge cone with a captured M5 hex nut pocket and 5.5 mm bolt bore; an M5 x 40–50 mm bolt pulls the cone up into the fingers to lock the sleeve in the porcelain. Needs 27 mm of hole depth; snap the four pieces off the 1.2 mm sprue bars.
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