Engineering:Scoring knife
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A glass cutter is a type of scoring tool specialized for cutting glass.
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A scoring knife or scoring tool is a handheld tool used to cut a groove in a sheet of material. The cutting edge of the knife is often made of hard material such tungsten carbide.
The scoring knife is drawn across the material in a straight line (with the help of a straightedge), creating a scratch or score in the sheet. The material can then be broken or severed along the groove, resulting in a straight and smooth cut.
Scoring knives can be used to cut various materials, including glass,[1] tile,[2] plexiglas,[3] and other hard materials. For softer materials like plexiglas, a razor blade can be used as a scoring tool.
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