Utility knife

A utility knife comprising:

• a collet extending along an axis, the collet including,
• a body having a first width,
• a head having a second width greater than the first width,
• a first slot extending along the axis into the head, the first slot having a first length,
• a second slot extending along the axis into the head, the second slot intersecting the first slot and having a second length, the first slot and the second slot each configured to receive a different type of blade having tangs with different lengths, and
• a threaded shank;
• a sleeve partially surrounding the head of the collet, rotation of the sleeve causing movement of the collet relative to the knife handle in a direction parallel to the axis, the sleeve movable between a release position and a blade holding position, the sleeve compressing the head while in the blade holding position to retain a blade positioned in one of the first slot and the second slot;
• and
• a knife handle configured to receive the threaded shank.

A utility knife configured for interchangeable use with a plurality of types of knife blades, the utility knife comprising:

• a collet including a first end and a second end;
• a first slot positioned in the first end and configured to receive a knife blade of a first type, the first slot having a first dimension;
• a second slot positioned in the second end and configured to alternately receive a knife blade of a second type, the second slot having a second dimension different from the first dimension,
• wherein the collet is movable between a clamped position and a released position, the collet compressing the first slot and the second slot while in the clamped position.