TR-4420
TR-4420 Thick Material Single & Double Needle Sewing Machine
• Triple compound feed structure prevents slipping when sewing multi-layer heavy materials
• Supports single needle and double needle switching to meet diverse production needs
• Fitted with large vertical rotary hook, compatible with thick threads for neat stitches
• Large presser foot lift makes loading and unloading thick workpieces more convenient
• High-rigidity body runs steadily with low vibration for long continuous operation
• Effectively avoids fabric shifting and stitch deviation during high-speed sewing
Information
Features
– Replaceable Presser Foot
• Interchangeable presser foot design supports different needle gauge configurations
• Ideal for heavy-duty sewing tasks with thick leather, canvas and multi-layer fabrics
• Ensures stable material feeding and even stitch formation even on uneven surfaces
• Reduces slippage and material shifting for high-quality seam results
– Adjustable Thread Tensioner
• High-quality tensioner system allows precise adjustment of upper thread tension
• Ensures balanced, neat lockstitches with consistent tightness across different materials
• Prevents loose threads, tangles and skipped stitches during continuous operation
• Easy-access design simplifies tension adjustment for different thread sizes and fabrics
– Stitch Length Adjustment Dial
• Clearly marked dial allows quick, precise stitch length adjustment from 3mm to 9mm
• Push-lock design prevents accidental changes during high-speed operation
• Enables seamless switching between different stitch lengths for various applications