This is ideal fororganizations that need to bind both large and small documents.The AkilesDuoMac 321 changes all of this.5:1 pitch spiral coil.The AkilesDuoMac 321 changes all of this. The continuous punching guidewill help you line up the holes.For smaller sized books it is a good idea to set the holes so that theyare close to the edge of the paper.In the past, users whoneeded to buy a twin loop wire binding machine would have to choosebetween either 2:1 or a 3:1 pitch machine. 

 

The 2:1 pitch hole pattern has 2rectangular holes per inch and can be used with 2:1 pitch twin loopwire and with 2. Strengths / Features: TheDuoMac 321 is designed to punch two completely different hole patterns.On the right hand side ofthe DuoMac wholesale Cap Mold Factory 321 there are two small gray knobs. It offers the ability to bind documentsusing both 3:1 pitch and 2:1 pitch double loop wire. These knobs are designedto help you adjust the depth of the holes from the edge of your paper. This means that it is actuallypossible to bind documents with five different styles of binding usingthis one machine.

 

 This is ideal fororganizations that need to bind both large and small documents. Both the 2:1 pitch and 3:1 pitch punchingthroats are fourteen inches wide and offer fully disengageable dies.They also have open throats and continuous punching guides. .The 3:1 pitch hole pattern has three square holes per inch and can beused for binding documents with 3:1 pitch double loop wire, GBCProclick and 3:1 pitch spiral coil. Sheets that are longer thanfourteen inches can be punched using a two step process. However, 3:1 pitch wire is only available in sizes upto 9/16". In the past, users whoneeded to buy a twin loop wire binding machine would have to choosebetween either 2:1 or a 3:1 pitch machine.Most users preferthe tight hole pattern and elegant look of 3:1 pitch wire for theirsmall documents. All you needto do is punch one side of the document using the punch and then flipit over and punch the rest of the holes. This meansthat it is possible to punch any document that is fourteen inches orless using a one step punching process. Organizations that wanted to bind both large and smalldocuments either had to settle for the more spread out pattern of 2:1pitch wire or had to buy two binding machines. It offers the ability to bind documentsusing both 3:1 pitch and 2:1 pitch double loop wire