Dormer A777 HSCo Heavy-Duty Jobber Drill Bit, 2mm, Cobalt Steel
Durable 2mm cobalt steel jobber drill bit with 135° split point. Ideal for aerospace & tough materials.
The Dormer A777 HSCo Heavy-Duty Jobber Drill Bit is engineered with a robust 135° split point design, making it ideal for applications where high heat generation is expected during drilling. This feature ensures superior performance when working with higher tensile, tougher materials, particularly in the demanding Aerospace Industry.
Key Features:
- Material: HSCo Cobalt steel for exceptional durability and heat resistance
- Surface Treatment: Bronze finish for reduced friction and enhanced wear resistance
- Flute Geometry: Standard Helix, Right-hand spiral with a Thick Web for improved strength
- Point Angle: Varies by size for optimal drilling performance:
- 0.30mm – 0.95mm: 118° Conical point
- 1.00mm – 1.40mm: 135° 4-facet point
- 1.50mm and above: 135° split point (to NAS 907 Aerospace Specification Type P3 Point)
This drill bit adheres to DIN 338 RN / BS328 / ISO 235 standards, ensuring high-quality and precision. The Working Length of 24mm and Overall Length of 49mm make it versatile for various drilling applications. Ideal for professionals requiring reliability and longevity in high-stress drilling environments.
- Drilling high-tensile materials
- Aerospace industry applications
- Engineering workshops
- Metal fabrication
- Tip Diameter: 2.0mm
- Working Length: 24mm
- Overall Length: 49mm
- Flute Geometry: Standard Helix, Right-Hand Spiral, Thick Web
- Point Angle (for 2.0mm): 135° Split Point
- Surface Treatment: Bronze
- Material: HSCo Cobalt Steel
- Weight: 75g
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