Source-backed model reference · US

Singer M3220 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

The cited manual does not publish a fabric chart in this record.

Insert and replace

Insert the new needle, making sure that the flat side of the top part of the needle is facing the back of the machine.

Twin-needle or specialty notes

optional twin needle. Second Spool Pin supplied for sewing with an optional twin needle

Other manual notes

• Generally, the needle should be replaced after every 4 projects or approximately every 16 hours of sewing time.

Manufacturer source

Singer M3220 Instruction Manual ↗

Source market: English · Checked October 20, 2026. Verify the full model label, fabric and current manual before sewing.

Check another machine · Needle size chart