Specifications:
Type: Countersink Drill Bit
Material: High Speed Steel
Coating: Nano Blue Coated
Cutting Diameter: 6mm 8mm 9mm 12mm 16mm 19mm
Shank: 1/4" hex shank.
Degree: 90
Flute: 5
Application : ideal for the wooden plank, fiberboard, particle board, plywood, plastic, aluminum board ,etc.