Irwin 10502593 HSS Pro Tin Coated Drill Bit

Primarily designed for drilling metal and harder, tougher alloys The drill bit body is manufactured from quality HSS steel coated with 2.5 micron Titanium Nitride (TiN) The TiN coating has a hardness of app. 80 HRC and is very resistant to wear These drills have a 135 degrees split point grinding tip which ensures perfect centring and reduced drilling pressure TiN is a poor conductor of heat IRWIN, 133 years of ingenuity and excellence, Weight: 0.03 Pounds, Manufacturer: Stanley Black & Decker