The JACK® F5-HL-7 is an industrial single-needle lockstitch machine built around a double-capacity hook system, designed for sewing heavy fabrics and thick thread applications that exceed the capacity of a standard hook this machine have a double capacity hook!. Using the DP×5 needle system and powered by a 550W direct drive servo motor, this machine handles denim, leather, canvas, upholstery, and other demanding materials with consistent stitch quality. This complete setup includes assembled industrial table and stand, ready for production use.
What’s Included
JACK F5-HL-7 single-needle double-capacity hook lockstitch machine head (ships assembled)
550W direct drive servo motor
Heavy-duty industrial sewing table and stand
LED work lamp
Standard accessories kit (needles, bobbins, tools)
Instruction manual
Key Features
Double-capacity hook — larger hook mechanism holds more bobbin thread, reducing bobbin change frequency in heavy-thread applications
DP×5 needle system (14–21) — heavy-duty needle type designed for thick fabrics, leather, and dense materials
550W direct drive servo motor — belt-free operation for precise speed control, reduced mechanical noise, and energy efficiency
Reinforced feed mechanism — handles multi-layer and heavyweight materials with consistent material transport
Adjustable presser foot pressure — accommodates varying material thicknesses without manual re-tooling
Complete assembled setup — arrives ready to sew out of the box with table and stand included
Ideal For
Denim and heavy wovens — jeans, workwear, and thick thread seam construction
Leather goods — bags, belts, wallets, and accessories
Upholstery — furniture, automotive, and marine applications
Canvas and industrial textiles — tarps, covers, and protective clothing
High-volume production — applications where standard bobbin capacity creates frequent interruptions
