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).