Premium Replacement Knife (Part #23449X5/8") for Singer 71 & 271K Sewing Machines
Achieve industrial-grade precision with this High-Performance Replacement Knife (Part #23449X5/8"). Specifically engineered for Singer 71 and 271K series sewing machines, this blade is designed to provide a perfectly uniform 5/8" (15.8mm) trim width.

A sharp, reliable knife is essential for high-speed production. This premium replacement ensures your machine slices through fabric with surgical accuracy, preventing frayed edges and fabric bunching for a professional finish.

Key Product Highlights
Precision 5/8" (15.8mm) Cutting: Milled to exact tolerances to ensure a consistent, wide trim for specialized industrial sewing.

Superior Edge Retention: Manufactured from high-carbon, heat-treated steel to maintain a razor-sharp edge even through heavy-duty use.

Direct Fitment: A premium replacement for part #23449X5/8", designed to fit perfectly into the knife holder of your Singer 71 or 271K.

Smooth Shearing Action: The polished, low-friction surface allows the blade to glide through multiple material layers without pulling or snagging.

✔ 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

💡 Add more items to your cart to qualify for free shipping ($99+)

📩 Not sure if this fits? Send us your machine model or a photo — we’ll help you confirm.

⚠️ Please confirm your machine model before ordering