Dormer G570 HSS-E AlTiCN Straight Shank 90° Countersink 31mm

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Dormer G570 HSS-E AlTiCN Straight Shank 90° Countersink 31mm

Achieve precise, clean countersinking in tough materials with this premium 31mm Dormer G570 countersink, engineered for demanding professional applications. Manufactured from Cobalt-based HSS (M42), a superior grade high speed tool steel, it undergoes a specialised heat treatment to deliver exceptional hardness and wear resistance, far surpassing standard HSS tools. This ensures consistent, high-quality results even when working with stainless steel, alloy steels, and other challenging workpieces, while the advanced AlTiCN coating further extends tool life by reducing friction and heat build-up.

Key features:

- Premium HSS-E (M42) cobalt steel substrate for outstanding durability

- Advanced AlTiCN (Aluminium Titanium Carbon Nitride) coating for enhanced lubricity and thermal resistance

- 90 degree included angle for standard countersinking of screw heads

- Straight shank design for secure chucking in a wide range of drills and machine tools

- 31mm diameter suitable for larger fasteners and deburring operations

- Precision ground cutting edges for a smooth, chatter-free finish

- Ideal for use on steel, stainless steel, cast iron, and non-ferrous metals

Whether you need to deburr holes or create accurate countersinks for flush-fitting fasteners, this Dormer G570 tool delivers reliable, long-lasting performance in the most demanding workshop environments.

GTIN: 7320760669068