Description
These engineering quality countersinks drill a precise recess to allow a fastener head to sit flush in alloy and non-alloy metals, timber and man-made boards.
Diameter mm=8.3
Shank Dia. mm=5.6
Shank Type=Three Flat
Material=M2 Grade HSS Steel
To Fit Screw Dia. mm=3.5 – 4.0
90° head angle
High quality M2 grade High Speed Steel (HSS)
3 flat shank to prevent slipping in the chuck
