What are crochet and round edge joint files?
What are crochet and round
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Crochet and round edge joint files are machinist’s files that are used for finishing, smoothing and deburring slots with rounded edges. | |||
What are the characteristics of crochet and round edge joint files? |
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Cross sectionBoth crochet and round edge joint files are rectangular in cross section, with rounded edges. |
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Profile and cutCrochet files taper in width and thickness and are double cut on the sides and edges. |
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The combination of the tapered profile and rounded edges makes this the perfect file for shaping narrow semicircular slots, as both the rounded edges and flat faces can be put to use. | |||
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Unlike crochet files, round edge joint files are blunt. They are only cut on the rounded edges and their flat faces are safe. | |||
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These safe faces allow the file to create precise semicircular grooves, such as the ones found in guitar nuts, maintaining a consistent width all the way down. | |||
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This also makes them ideal for deburring hinges, as the large safe edges help to prevent wearing down an unwanted part of the hinge by accident. | |||
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SizeCrochet files are usually available in lengths from 100mm (4 inches) to 200mm (8 inches). |
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Round edge joint files are around 162mm (6 1/2 inches) long. | |||
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Swiss or American?Crochet files and round edge joint files are Swiss pattern files. |
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