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JACK® F4 Single Needle Direct Drive Lockstitch Industrial Sewing Machine – Complete with Table & Stand
✔ COMPLETE ASSEMBLED WITH TABLE AND STAND INCLUDED
Ready to sew. No setup needed. Professional installation included.
Single Needle • Direct Drive • Adjustable Speed • Needle Positioning • LED Lighting
The JACK® F4 is a single-needle industrial lockstitch machine intended for straight-seam garment construction and everyday production work. Its built-in Direct Drive motor and straightforward controls make it useful for tailoring businesses, alteration shops, and sewing workrooms.
Operators can set the sewing speed and needle stopping position from the control panel. An integrated LED light, bobbin winder, and manual thread cutter support practical day-to-day operation. JMJ Sewing Machines supplies the F4 with an industrial table and stand, assembled and sewing-tested before delivery.
Key Features
- Single-Needle Lockstitch: Straight-seam construction for apparel and other compatible textiles.
- Direct Drive Motor: Integrated drive design without a conventional external motor belt.
- Adjustable Speed: Electronic control lets operators select a pace suited to their work.
- Needle Position Control: Selects the stopping position for convenient fabric handling.
- Manual Thread Cutter: Built-in cutter for trimming thread at the end of a seam.
- Stitch-by-Stitch Button: Helps position individual stitches during detailed work.
- LED Work Light: Three brightness settings illuminate the needle area.
- Integrated Bobbin Winder: Provides convenient bobbin preparation.
- Complete Workstation: Supplied by JMJ with industrial table and stand.
Applications
- Shirts, blouses, dresses, and uniforms.
- Garment assembly and tailoring.
- Cotton, polyester, and compatible woven fabrics.
- Alterations and general straight-stitch operations.
- Denim and thicker seams only when appropriate to the specific machine setup and material.
Direct Drive Advantages
- Speed can be adjusted for detailed work or longer seams.
- Integrated motor arrangement reduces dependence on external drive components.
- Convenient needle-position and lighting controls.
- Suitable for routine industrial production when configured for the material.
Technical Specifications
| Brand | JACK® |
| Model | F4 |
| Machine Type | Single-Needle Industrial Lockstitch |
| Feed Mechanism | Drop Feed |
| Motor | Built-In Direct Drive (550 W, per supplied specification) |
| Maximum Sewing Speed | Up to 5,000 stitches per minute (configuration dependent) |
| Speed Adjustment | Electronic Control Panel |
| Needle Positioning | Up / Down Selection |
| Thread Cutting | Manual Thread Cutter |
| Lighting | Integrated LED, 3 Brightness Levels |
| Bobbin Winder | Integrated |
| Lubrication | Automatic Oil Supply |
| Power Supply | Verify Voltage on the Supplied Machine |
| Table & Stand | Included in JMJ Configuration |
Included with the Machine
- JACK® F4 machine head with integrated motor.
- Industrial sewing table and heavy-duty stand.
- Thread stand and standard accessories supplied with the JMJ configuration.
- Instruction documentation supplied with the machine.
JMJ Sewing Machines Recommends
JMJ Sewing Machines recommends testing the needle, thread, and stitch settings on a fabric sample before beginning production. Select a machine configuration suited to the thickness and construction of your materials. Every JMJ industrial setup is prepared, adjusted, and sewing-tested before delivery.
IMPORTANT — MACHINE CONFIGURATION
Check the electrical rating on the supplied machine before connecting power. Material capacity depends on the needle, thread, feed components, and machine setup. This F4 listing describes a straight-stitch machine with a manual thread cutter; automatic thread trimming is not advertised.
The JACK® F4 offers a practical combination of straight-stitch sewing, Direct Drive operation, and accessible controls. Supplied complete with table and stand by JMJ Sewing Machines, it is a ready-to-use workstation for professional garment sewing and alterations.