CB38-532 TCT CB Counterbore

The Trend CB Counterbore is extensively used for recessing bolt and screw heads and is 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).To be used at drilling speeds only, they are not suitable for ferrous and non-ferrous metals. When setting up, ensure the flutes of the drill are aligned with the flute of the counterbore. For replacement twist drills, use slow spiral type e.g., 501/532 to 501/012.D: 9.5mm.D2: 3.96mm.OL: 75mm.