Infinity Kitchen Making Set — and the Amazon Alternative
Cabinet door bits sold as a matched set. Infinity ships direct; Freud's adjustable Premier set is the Amazon equivalent, and adjustable is the feature.
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Infinity Cutting Tools sells its cabinet and kitchen bit sets direct through infinitytools.com. They are not Amazon stock. This page is about how these sets work and what the closest Amazon-buyable option gives you.
What a cabinet door set has to do
A cope-and-stick door is four frame pieces around a panel. The inside edge of every frame piece carries a decorative profile and a groove for the panel. The ends of the rails carry a matching reverse profile — the cope — so they seat into the stiles.
The two cutters that make those profiles must be exact mirrors of each other, or the joint gaps. That is why these are sold as matched sets rather than as individual bits. Add a panel-raising cutter and you have a complete door.
Why adjustable beats fixed
The older design is two separate fixed cutters, one for the stile profile and one for the cope, each ground for a specific stock thickness. Change from 3/4 in to 7/8 in stock and the groove is no longer centred.
Adjustable sets use one cutter body with shims between the cutters. Move a shim and the groove moves, so the same bits handle different door thicknesses and the groove stays centred. If you build doors from whatever timber you have rather than from a single stock thickness, that is the difference between one purchase and three.
Table only
Say this plainly: a panel raiser is a very large diameter cutter and belongs in a table, run at reduced speed, with the fence and guards set properly. Handheld, it is one of the most dangerous things you can do with a router.
Rail and stile cutters are smaller but still need a fence and a coping sled to hold the rail square while you cut end grain. Without a table, this set is not usable.
Budget test material
However good the bits are, the first door in a run costs you setup. Cutter height, fence position, and the coping sled all need dialling in, and every adjustment needs a test cut in scrap of the same thickness as the doors.
Mill a few extra pieces of door stock at the same time as the real ones. Nothing ruins a kitchen run like discovering the setup material was a different thickness from the doors.
What works
- Adjustable rail and stile cutters shim to match your actual door stock, so a 19 mm door and a 22 mm door both get a centred groove from the same bits
- Matched profiles mean the rail, the stile and the panel edge fit each other without test-cut archaeology
- 1/2 in shanks and a large cutter body run far more smoothly in a table than 1/4 in equivalents of the same profile
What doesn't
- These are table-only cutters — a panel raiser in a handheld router is genuinely dangerous and rail-and-stile work needs a fence
- A cabinet set is a big single purchase that only pays off if you are actually making doors, not just thinking about it
- Setup is where door making goes wrong: the first door of any run costs you test cuts regardless of how good the bits are
Worth comparing against
- Check price
Freud
Freud 91-100 Super Router Bit Set, 13-Piece