Frequently Asked Questions
Why 32 mm?
It is the European cabinet industry standard that lets line-boring machines, shelf-pin jigs, and hardware all share one grid. Off-the-shelf jigs and pins just work.
What pin and hole diameter should I use?
5 mm is the global metric standard for European shelf pins. 1/4-inch (6.35 mm) pins also exist but are not interchangeable. Pick one standard per project.
How deep do I drill?
Approximately 10-13 mm into a 3/4-inch panel. Deep enough to seat the pin securely, not so deep you break through. Always use a stop collar.
Can I use a 1-inch spacing instead of 32 mm?
You can with a shop-made jig, but you lose 32 mm-system compatibility with commercial hardware.
Do I need holes all the way from top to bottom?
No. Generous top and bottom margins look cleaner. Many builders bore only the middle two-thirds of the panel height.
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