Trend Tools CB38-316TC 3/16 Drill Diameter X 3/8 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

• D=3/8 inch
• D=9.5 mm
• D2=3/16 inch
• D2=4.76 mm
• OL=85 mm