Primarily designed for drilling metal and harder, tougher alloys;The drill bit body is manufactured from high 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 10502592 HSS Pro Tin Coated Drill Bit
• 6.5mm x 101mm

Irwin 10502592 HSS Pro Tin Coated Drill BitIrwin