Presser Foot Lifter Adjustment
The presser foot lifter has 16 adjustable levels, now fully digitized and controlled by a stepping motor — just like the stitch length — for greater precision and ease of use.
Top Fabric Feeding
Equipped with a 750W motor, this machine features strength and durability. It provides excellent results even when working with heavy materials, easily sewing through up to 8 layers of leather with outstanding piercing power.
Digital Knee Lifter
Say goodbye to the difficulties of lifting an old heavy mechanical foot. The new built-in digital knee lifter provides precision and comfort, allowing you to make micro-adjustments to the lift with a light touch of the knee — ideal for tasks like sewing corners.
Alternating Presser Feet
Graduated lines allow for precise and convenient adjustment of the alternating presser feet, the adjustment range of which is now from 1.3 mm to 5.5 mm, ensuring greater adaptability to a wide range of materials.
Decorative Stitching
Create beautiful decorative stitches with adjustable stitch length, allowing you to customize patterns to suit various design needs.
Zero Resistance
Thread guide resistance is reduced by 30% and stitch stability is increased by 20%, minimizing skipped stitches, material puckering and density unevenness.
Oil-Free Head
Optimized DLC-coated components and needle bearings eliminate the need for lubrication, preventing oil stains and solving common customer problems.
Jack H7-C is a multifunctional lockstitch sewing machine with automatic functions and a walking foot (dual feed) for heavy-weight fabrics.
Designed for handling heavy materials such as bags, cushions, leather gloves, and armchairs, this machine delivers strength and precision. Equipped with a built-in 750W motor, it effortlessly sews through more than 10 layers of leather with outstanding piercing power.
Technical Specifications
| Model | Jack H7-C |
| Application | Multi-Fabric |
| Needle | DPx17 20-23# |
| Thread No. | 2 |
| Needle Gauge | 1-8mm |
| Presser Foot Height | Automatic / Smart Knee Lift 16mm |
| Thread Take-up Stroke | 71mm |
| Needle Bar Stroke | 37mm |
| Max Sewing Speed | 2500rpm |
| Motor Power | 750W |
| Volume | 715x310x570 |
| Weight | 40.6 / 47.84 KG |
