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.

Brand Name	Trend
Manufacturer Model No	TRECB38-532TC
Type	Counterbore
Specification	D=3/8 inch D=9.5 mm D2=5/32 inch D2=3.96 mm
Accessory Type	Drill Bits - Straight