Source-backed model reference · US

PFAFF coverlock 3.0 needle size

The exact machine name and needle system determine fit. This page transcribes the cited manufacturer manual and keeps fabric use, insertion and specialty-needle notes together.

Fabric and size chart

• Light fabric (voile, crepe, georgette) → #12/80
• Medium fabric (cotton, chino, wool, satin) → #14/90
• Heavy fabric (denim, jersey, tweed) → #14/90

Insert and replace

Hold the new needle with the flat surface to the back; insert into the needle clamp as far as it will go; tighten with the allen key.

Other manual notes

• Uses a flat shank industrial needle; do not use a standard household sewing machine needle of any size or type.
• Needle positions: overlock left/right, coverstitch left/middle/right; coverstitch width 3-6 mm (specs).

Manufacturer source

PFAFF coverlock 3.0 Owner's Manual ↗

Source market: Global PFAFF/SVP asset library (support.singer.com manuals index); English · Checked October 20, 2026. Verify the full model label, fabric and current manual before sewing.

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