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A 200mm stacked dado set for cutting grooves on a table saw. It pairs two 24-tooth TCT outer blades with six chippers and four shims, so you build the width you need from a 3.2mm kerf up to roughly 20mm. The carbide outers cut cleanly and hold an edge longer than the all-steel sets many hobbyists start with, but the stack is heavy and needs a saw with a long arbor and a wide throat plate. It is a groove-only tool: it must never cut through the timber, and it requires removing the standard crown guard and riving knife, so an overhead guard is a sensible addition.
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Owners of this set report clean, flat-bottomed grooves and praise the carbide outers for staying sharp through repeated use. Most criticism centers on the setup demands: the arbor length, the throat plate and the safety guard changes.
This 200mm dado blade set cuts grooves on a saw bench. It includes 2 outer 24-tooth TCT blades, 6 inner chipper blades and 4 shim spacers. The chippers and spacers fit between the two outer blades.
To set the slot width, select the chippers and spacers needed to cut the groove you want. The outer blades have a 3.2mm kerf. The inner chippers are 4 x 3.0mm, 1 x 2.2mm and 1 x 1.5mm. The spacers are 2 x 0.4mm and 2 x 0.3mm.
The dado head is for machining grooves only, using light, multiple cuts. It should never be used to cut all the way through the timber. The saw bench needs a kerf plate or throat plate with a wider slot than normal. Using the set means removing the machine's standard crown guard and riving knife. An Overhead Guard is strongly recommended, and it also improves dust extraction when used with a suitable extractor.
