- They are designed to drill and coutersink simultaneously, a wide variety of materials.
- Supplied with a HSS slow spiral drill bit.
- Fully adjustable, a hex key is supplied.
- The TCT version is used for plywood, particle boards and plastics (abrasive).
- Use at drilling speeds only. Not suitable for ferrous or non ferrous metals.
- Please ensure drill flutes are aligned with flutes of countersink.
- For replacement Twist Drills, use slow spiral type e.g. Refs 501/18 to 501/716.