• Are suitable for use with standard taps on any drilling machine or lathe, vertically or horizontally for right or left hand tapping of blind or thru holes.
• Have adjustable friction-clutch to avoid tap breakage.
• Have self-centring chuck to hold tap true.
• Are extremely useful for mass production.
• Have perfect automatic reversing mechanism with double pull out speed.
• Are made of alloy steel with all moving parts hardened and ground to precision.
• Have all parts interchangeable and easily replaceable.

Batch quantities or Lot production of tapping by this attachment could be achieved accurately on existing machine tool, like a drill, without requiring any modifications. Having versatile application in every machine shop they dispense with laborious hand tapping and threading and use of expensive machines.