Dormer A7778.0 A777 Hsco Heavy-Duty Jobber Drill 8.00Mm Ol:117Mm Wl:75Mm

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Dormer A7778.0 A777 Hsco Heavy-Duty Jobber Drill 8.00mm Ol:117mm Wl:75mm

Engineered for the toughest drilling applications, this Dormer A7778.0 heavy-duty jobber drill bit delivers exceptional performance and longevity in both professional and industrial environments. Its 135-degree split point reduces thrust and eliminates the need for centre punching, ensuring a precise start and clean holes even in high-stress materials like stainless steel and alloy steels.

- 8.00mm diameter with a working length of 75mm and overall length of 117mm for deep hole drilling capacity

- High-Speed Cobalt (HSCO) construction for superior heat resistance and extended tool life under heavy loads

- 135-degree split point geometry for self-centring and reduced walking on entry

- Heavy-duty jobber design ideal for CNC, manual machines and portable drills

- Reinforced core and specialised web thickness provide exceptional stability in demanding conditions

- Suitable for drilling hardened steels, cast iron, titanium and other challenging alloys up to 45 HRC

- Precision-ground flutes ensure efficient chip evacuation and a smooth cutting action

- Manufactured to Dormer’s exacting standards for consistent quality and reliability

Whether you are working on production lines or high-precision repairs, this drill bit offers the toughness and accuracy needed for continuous professional use.

GTIN: 7320760375549