Dormer High Speed Cobalt Drill Bit, 156mm Overall Length, 6.8mm Shank Size, Spiral Flute, Cylindrical Shank A9406.8

Dormer A9406.8 is a high-speed cobalt drill bit designed for industrial and mechanical applications requiring precision drilling of deep holes up to ten times the diameter. Made from premium high speed cobalt material, it features 10 spiral flutes that facilitate rapid chip evacuation and reduce drilling interruptions.

This drill bit has an overall length of 156mm and a cutting length of 102mm, allowing for deep penetration in a variety of materials including metals and composites. The bright, uncoated finish combined with a cylindrical shank of 6.8mm ensures compatibility with standard drilling equipment.

The drill's 130° special point geometry offers excellent centring capability and reduced thrust during operation, which helps extend tool life and improve machining accuracy. The thicker web design increases structural strength, significantly reducing the risk of breakage under heavy use.

High speed cobalt material for durability and heat resistance. 10 spiral flutes with parabolic design for effective chip removal. Complies with DIN340 standards for quality assurance. Right cutting direction with a drill point angle of 130°.

Cylindrical shank of 6.8mm diameter for secure grip. Bright (uncoated) finish for clear visibility and clean holes. Ideal for deep hole machining in industrial and manufacturing settings.

This drill bit is suitable for use in industrial, manufacturing, mechanical, and workshop environments where precision and performance are critical. It provides a reliable and efficient solution for drilling metals and other tough materials. Available as part of Dormer's high-quality drill bit range, this product supports enhanced productivity in drilling tasks.

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