bids are invited for sewing machine as per is 1610 (q3) total quantity : 4; section–1 : product technical specification (strict & non-negotiable) item: single needle industrial lock stitch sewing machine with stand & inbuilt direct-drive motor. the machine must compulsorily meet all the following parameters: 1. machine type: single needle industrial lock stitch 2. motor type: in-built direct drive servo motor, minimum 550w 3. speed: adjustable up to 5000 spm 4. stitch length: 0–5 mm 5. presser foot lift: o by hand: minimum 5.5 mm o by knee: minimum 13 mm 6. needle bar stroke: minimum 30 mm 7. hook type: industrial horizontal rotating hook 8. lubrication system: semi-dry / automatic 9. table & stand: o heavy duty ms powder-coated stand o industrial wood table top 10. accessories (mandatory supply): • led light • 5 needles • 10 bobbins + bobbin winder • tool kit (screwdrivers, wrenches) • machine oil 11. material compatibility: light to medium fabric (industrial training grade) 12. power requirement: 220–240v ac single phase 13. noise & vibration: low noise / low vibration industrial standard