Home » Premium Replacement Top Knife 57770A for Union Special 52700, 57700 Sewing Machine

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Premium Replacement Top Knife 57770A for Union Special 52700, 57700 Sewing Machine

SKU: 57770A
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Premium Replacement Top Knife (57770A) for Union Special 52700 & 57700
Ensure the highest level of finishing quality with our Premium Replacement Top Knife (Part #57770A). Specifically engineered for the Union Special 52700 and 57700 series, this upper trimming blade is designed to deliver the razor-sharp precision required for high-speed industrial overedge and seaming operations.

✔ Free shipping on orders over $99
✔ Ships from our USA (Georgia) office when in stock
✔ Weekly restocking from Japan, China, Bangladesh, and Turkey warehouses
✔ 3–7 business days handling time
✔ Compatible with multiple industrial sewing machines
✔ Carefully inspected before shipment

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⚠️ Please confirm your machine model before ordering