l Sewing method: Single needle, double thread, compound feeding (suitable for thick materials)
l Maximum speed: 2200 RPM
l Stitch length adjustment: Freely adjustable, up to 8mm
l Presser foot lift height: Standard 15mm (suitable for various material thicknesses)
l Machine body material: High-strength precision cast iron (main body), thickened alloy cast iron (machine housing)
l Key parts material: High carbon steel (rotary hook / shuttle, quenched), premium alloy steel (needle bar / presser bar), wear-resistant alloy (feed dog), thickened cold-rolled steel tube (frame), high-density fiberboard with wear-resistant surface (table), corrosion-resistant alloy (oil supply parts)
l Applicable voltage: 220V (home / small-scale processing)
l Applicable materials: Leather, canvas, nylon straps, and other medium-thick materials, suitable for bags, outdoor gear, and safety equipment
l Operation space: Long-arm design, flexible operation, suitable for sewing complex areas