Jack machine f4 price. . JACK F4-H: Same as JACK F4 but suitable for medium to heavy weight fabrics. It is an excellent value for the price and can even sew heavy-duty fabrics easily. The era of motor belts and clutches is officially over, noisy motors are now a thing of the past. View the full range of Jack Sewing Machines or contact you dealer for your nearest sewing machine dealer. Shop Jack F4 Single Needle Sewing Machine at Dixie Tailoring Supply. The all-new F4, one of the most popular single needle machine now with our exclusive energy-saving direct drive technology. Durable, high-performance machine designed for precision stitching on various fabrics. Find many great new & used options and get the best deals for JACK F4 Industrial Sewing Machine at the best online prices at eBay! Free shipping for many products! The commercially designed heavy-duty Jack F4 is an industrial Sewing Machine. Needle system DBx5 (#18 – 21). The inbuilt direct drive motor gives consistent and smooth sew of 4000 stitches per minute. JACK F4 The Jack F4 is a standard industrial straight stitch machine with a direct drive motor, it has a maximum sewing speed of 5000 stitches per minute, however this can be adjusted on the speed control panel. iyci yhfvs dami hzrry uvwcl hema viuwlr vkayegc hhc agyt