Trend Tct Counterbore

The cb counterbores are extensively used for recessing bolt and screw heads. Supplied with a hss slow spiral drill bit. Fully adjustable, a hex key is supplied. Tct version is used for plywood, particle boards and plastics abrasive . Use a drilling speeds only. Not suitable for ferrous and non-ferrous metals. When setting-up, ensure flutes of drill are aligned with flute of counterbore. For replacement twist drills, use slow spiral type. Specifications dia metric: 9.5 Dia imperial: 3 8 dia2 metric: 4.76 Dia2 imperial: 3 16 overall length metric: 85 type or grade: tct

The cb counterbores are extensively used for recessing bolt and screw heads. Supplied with a hss slow spiral drill bit. Fully adjustable, a hex key