• Sewing method: Single needle double thread, suitable for thick thread sewing, with neat and strong stitches, can meet the needs of reinforcing thick materials

• Maximum speed: 2200 RPM, stable operation, suitable for batch processing

• Stitch length adjustment: Freely adjustable, maximum stitch length supports thick thread sewing, suitable for different processing scenarios

• Presser foot lift height: 14mm for manual model, pneumatic model can be lifted as needed, suitable for thick material processing

• Machine head size: approximately 700mm × 280mm (L × W), designed for thick thread sewing

• Cylinder diameter: standard 81mm, suitable for tubular product processing, flexible operation

• Operating space: long arm design, ample operating space, can handle complex sewing needs

• Overall machine size (including frame): fits standard workbenches, can be paired with 1200mm × 600mm work surface

• Main body: high-strength precision cast iron, strong vibration resistance, suitable for high-frequency operations

• Core components: high carbon steel (hardened), wear-resistant and corrosion-resistant, meets high-tension requirements of thick thread sewing

• Auxiliary components: cold-rolled steel tube frame (strong load-bearing), high-density fiberboard tabletop (wear-resistant and easy to clean)

• Electrical components: flame-retardant ABS engineering plastic housing, heat-resistant and flame-retardant copper wires, safe and durable

• Applicable materials: leather, thick canvas, and other medium-thick materials, suitable for reinforced thick thread sewing

• Power requirements: 220V household voltage, suitable for standard power supply

• Oil supply method: standard lubrication system, provides even lubrication, reduces component wear