Mixed packs of cobalt drill bits available on drop down menu above.
13 Piece Set (Not in Box) - 1mm - 7mm
25 Piece Set (Boxed) - 1mm - 13mm
Cobalt 5%, High Speed Steel, Ground Flute, Steam Tempered straw finish, 135 point
Manufactured to BS328, DIN 338 and ISO235/1
These drill bits are suitable for drilling a wide range of materials such as mid hardness steels, cast irons, titanium and other similar materials.
The cobalt content and ground flute split point design make this an engineering quality drill for faster material removal, greater cutting ability and overall size accuracy.