Source-backed model reference · US

bernette b77 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

• Lightweight fabrics → 70/9, 75/11
• Medium fabrics → 80/12, 90/14
• Heavyweight fabrics → 100/16, 110/18, 120/19

Insert and replace

Insert the needle with the flat side to the back as far up as it will go into the needle holder, then tighten the screw.

Other manual notes

• The official b77 manual specifies needle system 130/705H for skipped-stitch troubleshooting.

Manufacturer source

bernette b77 User Manual ↗

Source market: US/International (bernette official manual) · Checked October 23, 2026. Verify the full model label, fabric and current manual before sewing.

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