Singer Sewing Machine Class 66 Bobbins fit only certain top-load Singer machines. They were first introduced with the Singer 66 and 99 models in the early 20th century. This style of bobbin continued to be used for Singer machines in models such as:
201, 240 Srs. 241, 242, 247, 248, 249, 250 Srs., 252, 257, 258, 259, 263, 285, 292, 327, 328, 329, 337, 338, 347, 348, 353, 354, 360, 362, 366, 367, 368, 401, 403, 404, 413K, 413K13, 416K, 417, 418, 457, 466, 476, 477, 478, 4825, 4828, 4830, 500 Srs. 502, 5028, 503, 5605, 66, 66-6, 714, 717 School, 99, 99-13
There are plastic and metal versions of this bobbin. It is typically recommended that you use the metal bobbins in the metal style bobbin case and plastic bobbins in the composite style bobbin case.
There is no such thing as a universal bobbin. Pleases make sure you are getting the correct style for your machine. If in doubt, ask us and we will help you.
