Sideless Continuous Filament S15L White

L-Style Sideless Continuous Filament Polyester Embroidery Bobbins | White (Base SKU: S15L White | System: L-Style | 144 Bobbins per Gross)

The Professional Choice for High-Speed, Lint-Free Production. Tired of lint buildup slowing down your rotary hooks? Our Sideless Continuous Filament Polyester bobbins are the industrial answer to messy, inconsistent bobbin changes. By removing the paper or plastic sides, these bobbins eliminate the friction and drag that cause tension fluctuations. The continuous filament construction ensures a perfectly smooth thread that produces zero lint, keeping your commercial machines running cleaner and longer between maintenance cycles.

Is this bobbin for you? ⚠️ COMPATIBILITY CHECK: This is an "L" STYLE (Standard) bobbin. It is designed for most Commercial/Industrial Embroidery Machines (e.g., Tajima, Barudan, SWF, Ricoma, Brother PR Series) and many high-end home embroidery machines. Because these are sideless, they provide a more consistent "pull" throughout the entire run compared to standard paper-sided bobbins.

Key Performance Features

Sideless Design: By eliminating the paper sides, these bobbins reduce the overall diameter and weight, allowing for more thread and a smoother rotation within the bobbin case. This design prevents the bobbin from "sticking" or dragging against the case walls as the supply runs low.

Continuous Filament Polyester: Unlike spun polyester, continuous filament thread is made of long, unbroken strands. This provides superior strength, a high-sheen finish, and most importantly, it produces virtually zero lint. This protects your high-speed rotary hooks from the "fuzz" buildup that causes skipped stitches and timing issues.

Increased Yardage (142 Yards): The sideless construction allows for a tighter, more efficient wind, giving you 142 yards of thread per bobbin. This means fewer bobbin changes during long production runs and more consistent output for your shop.

Precision Tension Stability: The uniform diameter of continuous filament thread ensures that your bobbin tension remains steady from the first stitch to the last. This is essential for maintaining perfect "1/3rd" bobbin-to-top-thread ratios on your satin stitches.

Best Use Practices

Primary Use: High-speed commercial embroidery on all garment types. The white thread is the universal choice for light-colored garments and general production.

Tension Maintenance: Because sideless bobbins have less mass, you may need to slightly tighten your bobbin case tension compared to using paper-sided bobbins. We recommend using a tension gauge to set your "L" style cases to approximately 18 to 22 grams.

Cleaning Protocol: Even with lint-free thread, you should still blow out your bobbin case and hook area daily to remove dust and stray fibers from the environment.

Technical Specifications

Thread Type: 100% Continuous Filament Polyester Yardage: 142 Yards per Bobbin Color: White Quantity: 144 Bobbins per Box (1 Gross) Core Style: Sideless / Coreless