IRWIN® HSS TCT Drill Bits, Metric Select Option:7.5mm accurate adjustments

accurate adjustments

Smooth-sliding guides that are made of hard plastic

Water repellent and breathable

It may be used as an internal and external try square

The blower is perfect for use in noise restricted areas

IRWIN® HSS TCT Drill Bits, Metric Select Option:7.5mm accurate adjustmentsThe Irwin Metric TCT (Tungsten Carbide Tipped) Drill Bits offer precision drilling with stationary machines in hardened steel, cast iron, bronze alloys and manganese alloyed steel. The C2 Carbide Tip will drill hardened material up to a hardness of 50 Rockwell C and is four facetted ground for low drilling pressure and perfect centring. The body of the drill bit is made from Chrome Vanadium Steel, hardened to 56 Rockwell C. A coolant should always be