JACK F6-HL-7 DIRECT DRIVE LOCKSTITCH STRAIGHT STITCH INDUSTRIAL SEWING MACHINE WITH LARGE CAPACITY BOBBIN (HEAVY DUTY)

Jack F6-HL-7 Direct Drive Heavy Duty Lockstitch Sewing Machine with Large Hook

The Jack F6-HL-7 is a powerful heavy-duty direct drive industrial lockstitch sewing machine, designed for demanding applications and thicker materials. Featuring a large capacity hook (large bobbin) and enhanced feeding performance, this model is ideal for heavy-weight fabrics, denim, upholstery, and multi-layer sewing.

Built on the proven Jack F6 platform, the HL-7 version delivers greater strength, improved thickness handling, and longer sewing cycles — making it the perfect choice for workshops, manufacturers, and professionals working with heavier materials.

Supplied as a complete set, the machine comes with table, stand, motor, cotton stand, drawer, and accessories, ready for immediate use.

Key Features

Heavy Duty Large Hook (Large Capacity Bobbin)
Designed for longer sewing runs with fewer interruptions. Ideal for heavy materials and production environments.

Direct Drive Motor – Quiet & Energy Efficient
Integrated servo motor ensures smooth, silent operation with reduced vibration and improved stitch consistency.

High-Performance Heavy Material Sewing
Enhanced feeding system allows the machine to handle up to 15 layers of denim, offering a 7% improvement in thickness capability.

Automatic Lubrication System
Keeps internal components running smoothly while reducing wear and maintenance requirements.

High-Speed Performance
Operates at speeds of up to 3,500 stitches per minute, providing efficient production output with consistent stitch quality.

Fortress Electronic Control System
Advanced electronics withstand up to 12,000V electrostatic discharge and operate reliably across a wide voltage range (110V–295V).

Integrated LED Work Light
Provides clear illumination of the sewing area for improved accuracy and reduced eye strain.

Low Vibration Single Shaft Design
Ensures stable sewing, reduced noise, and improved operator comfort.

Ergonomic Easy Lever Operation
Designed for effortless control, allowing operation via elbow for increased productivity.

Safety Switch Protection
Prevents accidental start-up, improving operator safety.

Low Power Consumption
Highly energy-efficient with near-zero power usage in standby mode.

Built-In Bobbin Winder
Allows bobbins to be wound during operation, reducing downtime and improving workflow.

Technical Specifications

What’s Included

• Jack F6-HL-7 machine head

• Industrial table and stand

• Built-in direct drive motor

• Cotton stand (thread stand)

• Drawer

• Foot pedal

• Needles

• Bobbins (large capacity)

• Oil bottle

• Tool kit

• Instruction manual

• Dust cover

Why Choose the Jack F6-HL-7?

• Heavy-duty upgrade of the standard Jack F6

• Large hook for increased productivity and fewer bobbin changes

• Designed for thick fabrics and multi-layer sewing

• Smooth, quiet, energy-efficient operation

• Ideal for upholstery, denim, leatherwork, and heavy garments

The Jack F6-HL-7 is the ideal solution for professionals who need a reliable, heavy-duty industrial sewing machine with increased capacity and performance.
Built for strength, designed for efficiency, and ready for continuous use.