How is thread gage determined?


Quick Answer

Fixed weight numbering systems describe the length of thread required to achieve a predetermined weight; fixed length systems provide the weight of thread required to achieve a predetermined length. Finer thread receives a smaller identifier in a fixed weight system and a larger number in a fixed weight system.

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Full Answer

The fixed length system includes denier, tex and decitex components. Denier, or Den, indicates the weight in grams of a 9,000 meter thread, while tex, denoted as Tex, uses 1,000 meters and decitex, noted as dTex, uses 10,000 meters. For example, Tex50 thread provides 1,000 meters of thread that weighs 50 grams.

The fixed weight system includes an English and a metric count component. English count uses the denotation Ne and implies the number of hanks, or length, of thread required to achieve 840 yards. Ne5 dictates that there are 5 pounds of thread per 840 yards. Metric count is denoted by Nm and uses 1,000 meters as the length measurement. The calculation is the same as English count.

English count is generally used for cotton thread and is also known as cotton count. Metric count is used for core spun, synthetic and spun threads. Denier and decitex are commonly used for filament threads.

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