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Stanley and Veritas marking gauges. A marking gauge, also known as a scratch gauge, [1] is used in woodworking and metalworking to mark out lines for cutting or other operations. [2] The purpose of the gauge is to scribe a line parallel to a reference edge or surface. It is used in joinery and sheetmetal operations.
This category is for measuring and marking instruments used in woodworking, cabinet making, joinery, and carpentry. Subcategories This category has only the following subcategory.
A wood scribe is a tool for marking wood by scratching the surface visibly. A wood scribe is often used with a try square for accurate scribing. A marking gauge is a more specific form of wood scribe used to accurately mark wood for cutting, often for laying out mortise and tenon joints.
In Europe, the earliest known wooden ard (at Lavagone in Italy) dates from around 2300–2000 BC, but the earliest scratch marks date from 3500–3000 BC. [8] All of these were bow ards, also depicted in the rock drawings of Bohuslän , Sweden, Copper Age stelae of Valcamonica (3000–2200 BC) and Fontanalba , France.
The scratch awl is basically a steel spike with its tip sharpened to a fine point. The tip of the spike is drawn across the timber, leaving a shallow groove. It may also be used to mark a point by pressing the tip into the timber. [2] It is generally used when dimensioning and for laying out with the grain. It may also be used across the grain.
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Marking out or layout means the process of transferring a design or pattern to a workpiece, as the first step in the manufacturing process. [1] It is performed in many industries or hobbies although in the repetition industries the machine's initial setup is designed to remove the need to mark out every individual piece.
Race knife also known as a timber scribe (scorer, tree marker) is a knife with a U-shaped end sometimes called a scoop knife for cutting marks in wood by lumbermen, carpenters, coopers, surveyors, and others. [1]