Irwin IRW10502581 HSS Pro TiN Coated Drill Bit - 4.0 x 75mm

Power through tough metals and demanding alloys without slowing down your workflow, thanks to Wigley DIY's choice of high-performance drilling accessories. The Irwin IRW10502581 HSS Pro TiN Coated Drill Bit measures 4.0 x 75mm and is engineered to let you crank up your drilling speed by 40 -60% and feed rate by 10 -20% compared to traditional HSS twist drill bits, all without sacrificing tool life. Built for tradespeople and serious DIYers who need precision and durability, it features a 135? split point grinding tip for exact centring and reduced drilling pressure right from the start.

The high-quality HSS steel body is finished with a 2.5? Titanium Nitride (TiN) coating boasting a hardness of app. 80 HRC for exceptional wear resistance and a low coefficient of friction. Because TiN is a poor conductor of heat, drilling heat is safely diverted into the chips and coolant rather than building up in the bit itself, meaning less power consumed and cooler operation on every job.

Features

• Designed for metal and harder, tougher alloys
• Allows speed increases of 40 -60% and feed increases of 10 -20% without significant reduction in tool life
• TiN coating is a poor conductor of heat, diverting heat into chips and coolant
• 135? split point grinding tip ensures perfect centring and reduced drilling pressure
• High quality HSS steel body coated with 2.5? Titanium Nitride (TiN)
• TiN coating has a hardness of app. 80 HRC and high wear resistance
• Low coefficient of friction results in less power consumed and less heat generated

Specifications