Trend CB12-14TC 1/4 drill diameter x 1/2 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).

Brand Name	Trend
Manufacturer Model No	TRECB12-14TC
Specification	D=1/2 inch, D=12.7 mm, D2=1/4 inch, D2=6.35 mm
accessory_type	Drill Bits - Straight