Serger & Overlocker Threads
10 thread lines for sergers, from soft woolly seams to decorative edges. Tell us your stitch and we’ll match the threads for the needles and the loopers.
What stitch are you using?
Pick your stitch to see the threads we recommend.
Strong, neat seams and edges.
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Designer™
All-purpose polyester for the needles. See all colors →
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SoftLoc™
Woolly polyester in the loopers for soft, stretchy seams. See all colors →
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DecoBob™
Fine and strong for light, neat seams. See all colors →
Needle: Your serger’s needles · SoftLoc™ in the loopers only Bobbin: DecoBob™ 80wt · find my size
Fine, rolled edges on light fabrics.
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SoftLoc™
Fills the rolled edge with soft coverage. See all colors →
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Designer™
A smooth, strong thread for the needle. See all colors →
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InvisaFil™
An ultra-fine edge on sheer fabrics. See all colors →
Needle: Your serger’s needles Bobbin: DecoBob™ 80wt · find my size
Thick or sparkly threads in the upper looper.
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Razzle™
8wt rayon for a shiny, textured edge. See all colors →
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Dazzle™
8wt rayon with metallic sparkle. See all colors →
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Accent™
12wt rayon with a silky sheen. See all colors →
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GlaMore™
12wt rayon and metallic. See all colors →
Needle: Upper looper only Bobbin: DecoBob™ 80wt · find my size
Flat, decorative seams.
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Designer™
For the needle. See all colors →
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Accent™
A bold, silky look on the surface. See all colors →
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SoftLoc™
Soft, flat seams for activewear. See all colors →
Needle: Your serger’s needles Bobbin: DecoBob™ 80wt · find my size
Thread weight at a glance
The higher the number, the finer the thread.
All serger & overlock threads
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80wt
DecoBob™
Cottonized polyester
Piecing, bobbin & fine detail
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12wt
Spagetti™
100% Egyptian cotton
Bold quilting & decorative stitching
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40wt
Designer™
All-purpose polyester
General sewing & serging
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100wt
InvisaFil™
Cottonized polyester
Invisible piecing, appliqué & binding
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12wt
Fruitti™
100% Egyptian cotton
Bold variegated quilting & stitching
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Tex 35
SoftLoc™
Wooly polyester
Serger loopers & rolled hems
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8wt
Razzle™
100% rayon
Hand embroidery, bobbinwork & couching
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12wt
GlaMore™
Rayon + 1 strand metallic
Bold metallic quilting & embellishment
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12wt
Accent™
Rayon
Bold decorative stitching & sashiko
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8wt
Dazzle™
Rayon + 1 strand metallic
Sparkly hand embroidery & bobbinwork
Complete your setup
Packs for serger & overlock
All packs →
Frequently asked questions
Can I use SoftLoc™ in the needle?
No. SoftLoc™ is for the loopers only. Use Designer™ in the needles.
Which thread for the upper looper?
Thicker threads such as Razzle™, Dazzle™ or Accent™ give a decorative edge in the upper looper.