1/4″ Lock Nut (H8) – La Marzocco Group Head
This is an H8 (8 mm tall) 1/4″ lock nut, thicker than the standard 5 mm lock nuts, used on the inside of La Marzocco group heads. La Marzocco’s own part number for it is L100/5.
SPECIFICATIONS
- H8 / 8 mm tall (vs. standard 5 mm thick 1/4″ lock nuts)
COMPATIBILITY
- Fits: La Marzocco group heads (internal hardware)
- Replaces: La Marzocco L100/5
- Works with: internal group head fasteners
INSTALLATION
Simple hand-tool swap during group head service.
PRO TIPS
- Don’t substitute a standard 5 mm 1/4″ lock nut here – the extra height on this H8 nut is intentional for proper thread engagement inside the group head.
