The scrub plane is a type of
plane used to remove large amounts of wood from the surface of lumber, such as when eliminating cup or twist in the first stages of preparing rough stock, or when reducing the thickness of a board significantly. Scrub planes generally have a short sole, a relatively narrow but thick blade, a very wide mouth, and a deeply curved edge (of about a 3 inch to 7 inch radius) to make a deep, gouging cut.
A scrub plane is generally used in diagonal strokes across the face of a board, rather than parallel to the length of the board (along the grain) as with most other bench planes. In thicknessing or preparing rough stock, the scrub plane is usually followed by the
jack plane
A jack plane is a general-purpose woodworking bench plane, used for dressing timber down to size in preparation for truing and/or edge jointing. It is usually the first plane used on rough stock, but for rougher work it can be preceded by the s ...
,
jointer plane, then
smoothing plane
A smoothing plane or smooth plane is a type of bench plane used in woodworking. The smoothing plane is typically the last plane used on a wood surface, removing very fine shavings to leave a smooth finish. When used effectively it quickly produc ...
.
Its function in modern woodworking has been largely replaced by power tools such as the
thickness planer
A thickness planer (also known in the UK and Australia as a thicknesser or in North America as a planer) is a woodworking machine to trim boards to a consistent thickness throughout their length.
This machine transcribes the desired thickness u ...
. A scrub plane can still be useful for planing boards too wide to fit through a thickness planer.
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Planes