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7221-76-373 Single needle long arm extra heavy duty unison feed sewing machine

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7221-76-373 Single needle long arm extra heavy duty unison feed sewing machine

Feature: This machine is more suitable for difficult or very challenging sewing tasks. It is equipped with a long-arm surface, so you can have more space to move very large or thick materials such as canvas, vinyl, leather, synthetics, and various coated, laminated and rubberized fabric; The triple feeding system can definitely guarantee even and uniform stitches on your projects, like tents, parachutes, sails, tarpaulins, awnings, pool covers and awnings; The extra large vertically hook, and 20mm clearance under feet, can easily sew layers of slippery materials with thread up to Nm 10/3 with stitch lengths of 10 mm; Excellent climbing properties and high needle penetration power guarantee easy sewing thick spots or cross seams, without skipped stitch, loosing bottom thread and shorten stitch length; When processing thick threads and heavy-weight materials the robust design and the excellent sewing kinematics allow a constantly tight stitch formation and consequently accurate seams as well as neat stitch pattern.

Application: boat sails, parachutes, tents, sheets, textile webbing slings, industrial safety products, tarpaulins, canopies, outdoor awnings, sleeping bags, military products, marine and furniture upholstery, automobile upholstery, hot air balloon, umbrella, shade sails, crane slings, backpacks, field covers, and heavy bulky products.

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Max. Speed

Presser lift

Stitch length


Working area

Needle gauge


1200 rpm



DYx3 #24



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