90 Degree HSS Co5 Triple Flute Countersink Size:35mm 90 Degree HSS Co5 Triple Flute Countersink 1/4 hex shank is ideal

1/4 hex shank is ideal for use with impact drivers

Primarily designed for use in through holes

For use in concrete

75mm Brilliant Diamond Hole Saw

Hex 50mm IMPACT Power Bit

90 Degree HSS Co5 Triple Flute Countersink Size:35mm 90 Degree HSS Co5 Triple Flute Countersink 1/4 hex shank is ideal90 Degree HSS Co5 Triple Flute Countersink Triple flute countersinks are ideal for countersinking and deburring in a wide range of materials including ferrous and non ferrous metals. The three fluted countersink is self centering with wide flutes and is used to provide a heavy chamfer in the entrance to a drilled hole. This may be required to allow the correct seating for a countersunk head screw or to provide the lead in for a second machining