Dormer A520 HSS TiN ADX Stub Drill Bit 12.1mm Pack of 1

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Dormer A520 HSS TiN ADX Stub Drill Bit 12.1mm Pack of 1

Engineered for high-performance drilling in demanding materials, this 12.1mm Dormer A520 stub drill bit delivers exceptional precision and durability in a compact format. The Titanium Nitride coating significantly reduces friction and heat buildup, allowing for faster cutting speeds and extended tool life. Whether you are working with stainless steel, alloy steels, or cast iron, this bit maintains sharpness and dimensional accuracy through repeated use, making it a reliable choice for professional machinists and maintenance engineers.

- Premium HSS (High-Speed Steel) construction for strength and wear resistance

- Titanium Nitride (TiN) coating provides a hard, low-friction surface that improves chip flow and reduces build-up edge

- ADX geometry optimises cutting performance with a self-centring point for clean, accurate starts

- Stub length design offers increased rigidity and reduced deflection, ideal for precise hole drilling in tight spaces

- 12.1mm diameter suited to standard metric applications and reaming

- Manufactured to Dormer’s exacting tolerances, ensuring consistent results batch after batch

For your next precision drilling task, this Dormer A520 stub drill bit combines advanced coating technology with robust construction to get the job done efficiently.

GTIN: 7320760038802