Crawford Style M677 Multibore Collet


Crawford Style M677 Multibore Collet - M677

  • Multi-bore Collets are generally accepted in the machine tool industry as a standard part, having been developed in close collaboration with leading machine tool manufacturers.
  • Multi-bore Collet systems are standard equipment on machine tools worldwide.
  • M677 Collets are a  DIN 6343 Multi-bore Collet and  have a 2mm gripping range. 
  • The main advantage of Multi-bore Collets is their ability to maintain a parallel grip over the entire closure range.
  • Multi-bores are not specific to a bar stock or material size.
  • Components must occupy a minimum of 67% of the collet length (front).