Dormer A520 8.40MM HSS-Tin ADX S/S Stub Drill

The Dormer A520 HSS TiN ADX Stub Drill Bit is a high-performance tool engineered for precision and durability. Designed with a Titanium Nitride coating, this stub drill bit offers exceptional wear resistance and heat dissipation, ensuring extended tool life and consistent cutting efficiency. Made from high-speed steel, it provides robust performanc... moree across a variety of materials, including steel, aluminium, and plastics. The A520 features a 130° split point that ensures accurate and quick starts, minimising bit walking and enhancing drilling precision. The ADX geometry optimises chip removal, reducing friction and heat build-up, making it ideal for high-speed drilling applications. Its shorter length adds rigidity, making it perfect for confined spaces and applications where accuracy is paramount. Features & Benefits • High speed steel • DIN 1897 • Quick helix, right hand spiral • 130° thinned point angle • Titanium nitride coating Specifications • Diameter: 8.4mm • Overall Length: 79mm • Quantity: 1