SPEEDWAY SW6-6D 3-Needle 6-Thread Universal Direct Drive Overlock Industrial Sewing Machine - Convertible 516 / 514 / 504 for Sample Rooms, Alterations & Mixed Production - Complete Setup, Fully Submerged Table Included Flatseamer Both share the direct drive

Both share the direct drive servo platform

500 stitches per minute

2-needle lockstitch (ISO 301) — two locked parallel seams in a single pass for double-topstitched and lap-seamed heavy goods

Heavy materials — leather

Workwear and uniform manufacturers requiring fast

SPEEDWAY SW6-6D 3-Needle 6-Thread Universal Direct Drive Overlock Industrial Sewing Machine - Convertible 516 / 514 / 504 for Sample Rooms, Alterations & Mixed Production - Complete Setup, Fully Submerged Table Included Flatseamer Both share the direct driveThe SPEEDWAY SW6 6D is a 3 needle 6 thread universal direct drive overlock industrial sewing machine the most versatile machine in the Speedway SW6 series. By selectively engaging or disengaging needles and loopers, a single SW6 6D converts between three different stitch configurations: ISO 516 (5 thread true safety stitch), ISO 514 (4 thread mock safety stitch), and ISO 504 (3 thread overedge) covering virtually every overlock requirement in a single