What is the Jack H7-C used for?

The Jack H7-C is built for professional upholstery, leather goods, marine canvas, automotive interiors, and heavy industrial sewing. Anywhere two or more layers of thick or slippery material need to feed evenly — upholstery shops, saddle makers, bag manufacturers, sailmakers, and automotive trim shops — the H7-C is the production machine of choice.

How does the AI material recognition actually work?

Sensors on the presser foot assembly continuously read the thickness and density of the material under the needle. The machine's controller automatically adjusts presser foot pressure through 16 digital levels, alternating foot lift, and sewing speed in real time. You don't stop to turn a screw or change a dial — the H7-C handles the transition from single layer to multi-layer seams for you.

What's the difference between the Jack H7-C and the Jack H6?

The Jack H6 has been discontinued and the H7-C is its successor in the Jack lineup. Both share the 750W direct drive servo, 3,500 SPM max speed, large vertical axis hook, and M bobbin. The H7-C adds AI material recognition, a stepper-motor controlled presser foot with 16 digital levels, and an upgraded automatic knee lifter — digital with a separate stepper-motor controller, versus the H6's solenoid lifter. Supra Sewing continues to stock H6 parts and accessories for legacy installations.

Is the Jack H7-C better than the Juki DU-1181N?

They serve different users. The Juki DU-1181N is a proven, lighter-duty walking foot machine with a classic mechanical design and clutch motor. The Jack H7-C is a modern production machine with a 750W servo, 3,500 SPM max speed, 10 mm stitch length, digital controls, and AI material recognition. For heavy production, thicker materials, and automated quality, the H7-C is the more capable choice.

What needle system and thread does the H7-C use?

The H7-C uses the 135×17 needle system in sizes #18 through #24, which handles heavy bonded nylon, polyester, and specialty threads suitable for leather, canvas, vinyl, and upholstery. Supra Sewing stocks replacement needles, bobbins, feed dogs, and presser feet for the Jack H-series.

Does the machine come with a table and stand?

Yes. The H7-C ships as a complete setup — machine head, industrial sewing table, heavy-duty stand, 750W direct drive servo motor, accessories kit, and manual. It arrives assembled and ready for final placement and power-up.

What is the warranty and who handles service?

Supra Sewing is an authorized Jack dealer and the largest Jack dealer in the United States. The Jack H7-C carries the full manufacturer warranty and is backed by our in-house technical team based in the US. We stock OEM parts across the Jack catalog and provide phone, email, and video support.

Can the Jack H7-C sew real leather?

Yes — the compound walking foot feed, 135×17 #18–#24 needle system, and high-torque servo are designed for genuine leather, bonded leather, and leather alternatives such as PU and vinyl. The AI pressure adjustment is particularly effective on leather-to-fabric transitions where manual machines drop stitches.

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JACK | SKU: H7-C

JACK H7-C — Máquina de arrastre triple de una aguja, mesa y base incluidas

Name: JACK H7-C — Máquina de arrastre triple de una aguja, mesa y base incluidas
Brand: JACK
SKU: H7-C
Price: 2157.0 USD
Availability: InStock
Rating: 5.0 (1 reviews)

$2,157.00

Condition:: New
Shipping:: Free Shipping assembled in the USA!*

Preguntas frecuentes

¿Llega ensamblada?

Sí — la ensamblamos, calibramos y probamos con costura en Miami antes de enviarla. Para proteger la máquina durante el flete, el cabezal viaja separado de la mesa; volver a montarlo toma unos minutos y te guiamos por teléfono si lo necesitas.

¿Puedo financiarla?

Sí. Con Affirm puedes pagar en cuotas mensuales (consulta tu tasa en segundos, sin afectar tu puntaje de crédito), y con Synchrony hay financiamiento especial en compras que califican (sujeto a aprobación de crédito). Mira tus opciones en la página de financiamiento.

¿Garantía y soporte?

Sí — además de la garantía del fabricante, Supra Sewing respalda tu máquina con cobertura propia: 90 días en defectos mecánicos y 12 meses en partes eléctricas y electrónicas (18 meses en máquinas Speedway), con servicio de nuestros propios técnicos en Miami, FL. Soporte en inglés y español: +1 (954) 681-3894 o WhatsApp.

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Descripción

La JACK H7-C es una máquina de una aguja de AI arrastre superior e inferior pie de arrastre triple costura recta máquina de coser industrial para sale completo con mesa y base. La arrastre compuesto sistema synchronizes la aguja, pie de arrastre triple, y diente de arrastre a advance pesado, layered, y slippery materiales evenly sin layer shift. Built para tapicería, cuero goods, lona, y automotive interior producción where reliable arrastreing y puntada consistency across grueso assemblies son essential.

What's Incluido

JACK H7-C pie de arrastre triple costura recta machine (ships ensamblada)
750W alto torque transmisión directa servomotor
Industrial costura mesa
Machine base
Estándar accesorios kit
User manual

Key Características

Compound arrastre sistema (top y inferior pie de arrastre triple) advances grueso y layered materiales evenly sin layer shift o slippage
Stepper-motor controlled pie prénsatela lift con 16 digital levels para precise, repeamesa pressure juegotings across different material gruesonesses
Digital alzaprensatelas de varillailla con micro-lift sensitivity para accurate corner costura y smooth handling en gruesoness transitions
Alternating pie lift range de 1.3–5.5 mm para adaptability de delgadoner materiales a grueso stacked assemblies
Aguja sistema 135×17, tamaños #18–#24, compatible con pesado hilo y tela combinations incluyendo cuero, lona, y vinilo
750W alto torque transmisión directa servomotor delivers fuerte, consistent bajo-velocidad torque para dense materiales en arriba a 3,500 SPM
Large vertical axis gancho y automático lubricación para reliable, bajo-mantenimiento operación

Ideal For

Tapicería, furniture, y interior manufacturing
Cuero goods, bags, y harness producción
Lona, tarpaulin, y marine tela telaation
Automotive y aviation interior costura

Especificaciones

Aguja Sistema 135×17, #18–#24 Motor 750W alto Torque Transmisión directa Servomotor Drive Tipo Transmisión directa Machine Tipo Una aguja superior & Arrastre inferior Pie de arrastre triple Costura recta Feed Sistema Arrastre compuesto (Top & inferior Pie de arrastre triple) Max Costura Velocidad 3,500 SPM Longitud de puntada 0–10 mm Pie prénsatela Lift 16 Levels, Stepper-Motor Controlled Alternating pie Lift 1.3–5.5 mm Alzaprensatelas de varillailla Digital, Stepper-Motor Controlled Gancho Tipo Large Vertical Axis Lubricación Automático Mesa & base Incluido Brand JACK

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