HJ-50B perforates with hollow drill and then binds with nylon tube. It makes sure the documents are tight and orderly, absolutely avoids paper loose and missing. HJ-50B is a useful machine in Courier Companies, Banks, Public and Private Sector Offices, Publishers, Colleagues, Corporations, Railways, etc. FEATURE 1)Automatic: separately finish drilling and binding automatically. Press Drill key, finish drilling and tube cutting automatically; press Bind key, finish binding automatically after Needle aims at the drill hole 2)Wide binding range: suitable to different materials and sizes of paper 3)Perfect binding effect: binding tight and beautiful 4)Failure alarm: automatic self-test. Clue to replace rubber coin or drill when necessary 5)Protection mechanism: special device to protect the drill and needle 6)Alternative mode: can drill only 7)Environmental protection: no smog, no bad smell 8)Safety device and voltage: ensure the user and machine safe Especially used to bind thick documents, upto 50 mm. Binding tight and beautiful. Punching with hollow drill, drive by motor. Fully automtaic drilling. Binding with nylon tube. Ensure the documents tinght and beautiful. Item Parameters Power supply 220V+5%, 50HZ Consume power 10-350w Binding capacity 1-50mm thickness 6-25mm margin Binding speed < 9s drill only <30s drill and bind Drill specification Ø6*50mm Binding method nylon tube heating and riveting Preheating time <5min N.W. 36kg