Description
SM Oscillating Rockshaft | Sewing Machine Oscillating Rockshaft
In a sewing machine, especially older mechanical ones, an oscillating rockshaft is a shaft that pivots back and forth to convert rotary motion (from the motor or handwheel) into oscillating motion for components like the hook, needle bar, or feed mechanism.
- Please note this model is fit for old type of sewing machine. therefore check properly before buying.
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