IRWIN HSS TCT Tip Drill Bits 5.5mm
is no longer available although you may find similar or newer versions below:
The Irwin TCT (Tungsten Carbide Tipped) drill bit offers precision drilling with stationary machines in hardened steel, cast iron, bronze alloys and manganese alloyed steel
Irwin HSS TCT tip drill bit.
Specifications:Diameter: 5.5mm.Total length: 93mm.Working Length: 57mm.
A coolant should always be used when drilling with TCT Twist Drill Bits