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by Irwin
Pro Titanium Nitride Coated Drill Bit 8.5mm 117mm Pack 1 is available for £3.49 at Tooled Up.
Available at Tooled Up
The Irwin IRW10502596 is an 8.5mm diameter HSS Pro TiN Coated Drill Bit measuring 8.5 x 117mm in size, supplied as a single bit. This intermediate diameter is particularly useful for specialist engineering applications requiring precise hole dimensions between standard 8mm and 9mm sizes, common in custom fabrication and machinery maintenance work. The 8.5mm diameter provides exact tolerances for specific components and fixings whilst the 117mm overall length offers excellent depth capacity. The Titanium Nitride coating delivers outstanding performance improvements, with drilling speeds 40-60% faster than conventional HSS bits and feed rates boosted by 10-20% without compromising tool lifespan. The 135° split point tip ensures perfect centring, eliminating walking and reducing the need for pilot holes. Constructed from premium HSS steel with a 2.5µ TiN coating offering 80 HRC hardness, the bit features exceptional wear resistance. The low friction properties of the coating reduce power consumption whilst diverting heat into chips and coolant, ensuring the drill bit maintains cutting efficiency even when working with harder, tougher alloys in demanding industrial applications.
Features and Benefits:
Specifications: Tip Diameter (mm): 8.5 Working Length (mm): 75 Overall Length (mm): 117 Pack Qty.: 1
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