Machines with a toothed cutter in the shape of a spur-gear or the like which is rotated to generate the thread profile as the work rotates

Full Title

Thread cutting; Automatic machines specially designed therefor > on an external or internal cylindrical or conical surface, e.g. on recesses (B23G1/16, B23G1/22, B23G1/32, B23G1/36 take precedence) > Machines with a toothed cutter in the shape of a spur-gear or the like which is rotated to generate the thread profile as the work rotates

Child Classifications

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• B23G 1/14 specially adapted for making conical screws, e.g. wood-screws