The depth to which a hole saw can cut is limited by the depth of its cup-like shape. The same hole can be made faster and using less power. The fact that a hole saw creates the hole without needing to cut up the core often makes it preferable to twist drills or spade drills for relatively large holes (especially those larger than 25 millimetres (1.0 inch)). Hole saws typically have a pilot drill bit (arbor) at their center to keep the saw teeth from walking. JSTOR ( March 2010) ( Learn how and when to remove this template message)Ī hole saw (also styled holesaw), also known as a hole cutter, is a saw blade of annular (ring) shape, whose annular kerf creates a hole in the workpiece without having to cut up the core material.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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