Lower Knife Wide 42309 =140561 for Singer 81, 81K, 81U Sewing Machine
Regular price
$6.22 USD
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🌍 Ships from USA (Georgia) office. Global sourcing ensures availability if not in stock.
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Lower Knife - Wide (Part #42309 / 140561) for Singer 81, 81K, & 81U Series
Keep your industrial overlocker cutting at peak performance with this Wide Lower Knife (Part #42309). Designed specifically for the Singer 81, 81K, and 81U series, this "wide" profile blade provides the heavy-duty foundation needed for a clean, consistent shear.
This part is also identified by the supersession number 140561, ensuring a direct and reliable fit for your machine's cutting assembly.
Key Product Highlights
Wide Blade Stability: The wide profile offers a larger surface area, providing maximum stability and cutting power for thicker materials and high-speed production.
Dual Part Compatibility: A direct replacement for both part numbers #42309 and #140561, guaranteeing a perfect match for your Singer 81 series overlocker.
Industrial Strength: Crafted from high-grade, heat-treated steel to resist dulling and chipping, even when working with tough or abrasive fabrics.
High-Precision Shear: Works in perfect synchronization with the upper knife to deliver a crisp, professional edge that prevents fraying.
Orders are typically processed within 1–3 business days.
We ship from our Georgia, USA warehouse. If an item is temporarily unavailable in the U.S., we source it through our global supplier network and will notify you of the estimated lead time.
Free shipping is available on U.S. orders over $99.
Once your order ships, you will receive a tracking number by email.
For urgent orders or shipping questions, please contact us before placing your order.
We stand behind the quality of the products we sell.
• Genuine OEM parts are covered by the manufacturer's warranty where applicable.
• Aftermarket and generic parts are covered against manufacturing defects.
• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.
• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.
If you have any questions, our support team is happy to help before or after your purchase.