Dormer A777 HSCo Heavy-Duty Jobber Drill Bit, 6.80mm
Durable Dormer A777 cobalt drill bit (6.80mm) with 135° split point for aerospace & tough materials.
The Dormer A777 HSCo Heavy-Duty Jobber Drill Bit is engineered for demanding drilling applications, especially in high-temperature environments and tough materials. Featuring a sturdy 135° split point, this drill bit is ideal for use in the aerospace industry and other high-performance sectors where superior heat resistance is required.
Crafted from HSCo Cobalt steel, these bits offer exceptional durability and longevity. The standard helix, right-hand spiral, and thick web ensure optimal chip removal and reduced breakage. The surface treatment in bronze enhances corrosion resistance and extends the tool life.
Key Features
- 135° split point geometry for easier centring and reduced walking
- HSCo Cobalt steel for high heat resistance and hardness
- Bronze surface treatment to improve durability
- Conforms to DIN 338 RN / BS328 / ISO 235 standards
Applications
- Aerospace industry
- High-tensile materials
- Automated and manual drilling
Specifications
- Tip Diameter: 6.80mm
- Working Length: 69mm
- Overall Length: 109mm
- Material: HSCo Cobalt Steel
The Dormer A777 Jobber Drill ensures precision, reliability, and superior performance in the most challenging drilling tasks.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
- Aerospace industry
- High-tensile materials
- Automated drilling
- Manual drilling
- Flute Geometry: Standard Helix, Right hand spiral, Thick Web
- Point Angle: 135° split point (conforms to NAS 907 Aerospace Specification type P3 Point)
- Material: HSCo Cobalt steel
- Surface Treatment: Bronze
- Standards: DIN 338 RN / BS328 / ISO 235
- Tip Diameter: 6.80mm
- Working Length: 69mm
- Overall Length: 109mm
- Weight: 24g
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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