Domestic machine record
Brother BM3850
Domestic sewing or embroidery machine
Brother lists BM3850 for use with the SA156 clear plastic Class 15 bobbin.
Verified compatibility
| Part or system | Relationship | Status | Evidence note |
|---|---|---|---|
| Brother SA156 Bobbin | Officially compatible | CONFIRMED | Brother lists BM3850 for use with the SA156 clear plastic Class 15 bobbin. |
| Brother SA122 Non-Stick Foot | Officially compatible | CONFIRMED | Brother lists BM3850 for the SA122 non-stick foot. |
| Brother SA125 1/4-inch Piecing Foot | Officially compatible | CONFIRMED | Brother lists BM3850 for the SA125 1/4-inch piecing foot. |
Sources and scope
This limited-scope record documents the explicit bobbin compatibility listed by the official manufacturer source. It does not establish compatibility for other parts or accessories.
- SA156 Clear Plastic Bobbins 10-Pack Brother USA · Official accessory compatibility page · Tier 2
- SA122 Non-Stick Foot for 5mm Stitch Width Sewing Machines Brother USA · Official accessory compatibility page · Tier 1
- SA125 1/4-inch Piecing Foot Brother USA · Official accessory compatibility page · Tier 1
Last checked: August 2026. See how SewFitGuide verifies compatibility.