【Main Use】 Make nail button for garments, underclothes and knitting etc. factory 【Technical Data】 1、Sewing speed: 1400rpm 2、Width of needle vibrating: 2-4.5mm 3、Button clamp movement: 0-4.5mm 4、Number of stitches per button: 20needles(16threads) 5、Stitch of buttons: Single thread chain stitch 6、Needle type: GJ4?100(#16) GJ4?110(#18) GJ4?130(#20) 7、Size of buttons:¢9-¢26mm 8、Thread: Polyester threads 9、Motor: JW6324,380V,250W or JY7124,220V,251W。 10、Net weight of machine head: 23Kg