Dormer A520 4.20MM 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: 4.2mm • Overall Length: 55mm • Quantity: 1

A520 - HSS ADX TiN Coated Stub Drills Designed for use where high productivity and accuracy are required. Unique flute geometry. 130 point angle. TiN coating for increased tool life and performance. Manufactured to DIN1897.