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JACK® 809481 / 7.94BTR Original Rotary Hook - Genuine Replacement Part
Original JACK® Rotary Hook • Part #809481 • 7.94BTR • Steel Construction • Industrial Lockstitch Sewing Machines
The JACK® 809481 / 7.94BTR Original Rotary Hook is an original replacement rotary hook designed for compatible JACK® industrial lockstitch sewing machines, including the A3, A4, A5, A6, and A7 series.
Manufactured from durable steel for reliable professional use, this rotary hook is designed to support smooth thread formation, consistent stitch quality, and dependable operation during continuous industrial sewing. It is also compatible with selected JUKI® and Brother® computerized lockstitch sewing machines using the corresponding hook specification.
Part Numbers
| JACK® Part Number | 809481 |
| Hook Reference | 7.94BTR |
Compatible Machines
- JACK®: A3, A4, A5, A6, A7
- JUKI®: DDL-8700-7, DDL-9000 Series
- Brother®: S-7200 Series, S-7300 Series
Key Features
- Original JACK® Replacement Part: Designed for compatible JACK® industrial lockstitch sewing machines.
- Part #809481 / 7.94BTR: Provides an exact reference for identifying the required rotary hook before ordering.
- High-Quality Steel Construction: Durable steel construction provides resistance to wear during continuous industrial sewing operations.
- Precision Thread Formation: The rotary hook works with the needle thread to form consistent lockstitches during machine operation.
- Smooth Operation: Designed to provide reliable hook rotation and consistent sewing performance when properly installed and adjusted.
- Professional Replacement: Ideal for replacing a worn, damaged, or malfunctioning rotary hook.
- Multi-Brand Compatibility: Compatible with selected JACK®, JUKI®, and Brother® industrial sewing machines using the same hook specification.
Technical Specifications
| Brand | JACK® |
| Part Number | 809481 |
| Reference | 7.94BTR |
| Part Type | Rotary Hook |
| Material | Steel |
| Machine Type | Industrial Lockstitch Sewing Machine |
| Primary Function | Lockstitch Thread Formation |
| Compatible JACK® Models | A3, A4, A5, A6, A7 |
| Compatible JUKI® Models | DDL-8700-7, DDL-9000 Series |
| Compatible Brother® Models | S-7200 Series, S-7300 Series |
| Quantity | 1 Piece |
| Condition | New — Original JACK® Replacement Part |
Package Information
| Package Quantity | 1 Rotary Hook |
| Approx. Package Size | 10 × 12 × 6 cm |
| Approx. Package Weight | 0.090 kg |
⚠️ Compatibility Notice
Always verify your sewing machine model and subclass before ordering. Part numbers and machine compatibility are provided for reference only. JMJ Sewing Machines is not responsible for purchases made without confirming compatibility with your specific machine. All replacement parts sales are final.
The JACK® 809481 / 7.94BTR Original Rotary Hook is designed to provide reliable thread formation and consistent lockstitch performance in compatible JACK® A3, A4, A5, A6, A7, JUKI® DDL-8700-7, DDL-9000 Series, and Brother® S-7200 and S-7300 Series industrial sewing machines.
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