We are offering obsh450 automatic steel spiral coil forming & binding machine features:producing all size and pitch spiral coil on one machine by take few minutes change forming tool;automatic wire leading, forming, counting, inserting and cutting;only need manual feed paper, book automatic bind and collect;fast production speed reaches 20 booksminute;small machine, easy installation, simple operations dont need special training;low investment. Work for:right for printers who need spiral coil for the loose-leaf notebook, calendar, album and other book documents binding usage. You can use ordinary wire, galvanized wire, stainless steel wire, plastic coated wire on this machine as raw material. One machine can producing 3:1 & 2:1 & 4:1 & 5:1 pitch spiral coil size from 14 to 1 by change forming tools. technical data:wire material diameter: 0.65mm to 1.6mm;forming and binding pitch: 3:1 & 2:1 & 4:1 & 5:1 pitchforming and binding pitch: from 14 to 1;forming and binding speed: 700 to 1300 bookshour;binding size: min 100mm width, max 450mm width;electric power: single 220v50hz1phmachine size: 800 x 1400 x 1200mm;net weight: 250kgs;gross weight: 300kgs.