Product Description 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. 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 used when drilling with TCT Twist Drill Bits. Irwin suggest the use of a 3- 6% emulsion. The coolant will extend the life time of the drill bit.The Irwin IRW10502661 HSS TCT tip drill bit has the following dimensions:Drillbit diameter: 7.0mmTotal length: 109mmWorking Length: 69mmIRWIN Industrial Tools Ltd., a Newell Rubbermaid Company, produces high-quality hand tools and power tools accessories for metalworking and woodworking professionals.As well as the Record brand of hand tools, consisting of metalworking and woodworking vices, bolt-cutters, G-clamps, pipe tools and woodworking planes, the company has many other famous brands, including: Marples, Jack, Vise-Grip, Quick-Grip, Gilbow, Joran, Hilmor, Hanson, Strait-Line and Lenox. Set Contains: 1 x Irwin IRW10502661 HSS TCT Tip Drill Bits 7.0mm
