Technical

Alpha Gold Series drills have a Tinite (TiN) coating.Titanium Nitride is a gold coloured substance with a surface hardness of approximately 85 Rc.This is deposited onto the drill which extends tool life by reducing friction,and therefore heat, and enables the tool to be operated at high speeds and feeds.Stainless steel, one of the hardest composites to drill, has a Rockwell hardness (Rc) rating of 90.The Tinite coating is 85 Rc, added to the 135 degree split point and M-2 grade steel core,meanin …

They are quite tough indeed!Here at Trucut NZ, we decided to test just how tough the Alpha Tuffbox Drill Sets actually are.So we chose to see if it could handle the weight of a Ford Ranger UTE! We slipped it under the rear wheel… and the photo speaks for itself. Yes, our Alpha Tuffbox Drill Sets truly are tough – they can handle the weight of a ute without any signs of strain, cracking or damage. …

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