Dormer A777 HSCo Heavy-Duty Cobalt Jobber Drill Bit, 5mm x 52mm
Dormer A777 heavy-duty cobalt drill bit designed for aerospace applications. Features 135° split point, HSCo steel, and standards compliance.
The Dormer A777 HSCo Heavy-Duty Cobalt Jobber Drill Bit is designed for high-performance drilling applications, especially where greater heat is generated during operation. This metric cobalt drill bit features a robust 135° split point, making it ideal for drilling into higher tensile and tougher materials, with particular suitability for aerospace industry applications.
Key Features:
- Material: HSCo Cobalt steel for superior durability and heat resistance.
- Point Geometry:
- 0.30mm to 0.95mm: 118° conical point.
- 1.00mm to 1.40mm: 135° 4-facet point.
- 1.50mm and above: 135° split point (NAS 907 Aerospace Specification type P3 Point).
- Flute Geometry: Standard helix, right-hand spiral, thick web for efficient chip removal.
- Surface Treatment: Bronze finish for reduced friction and extended tool life.
Specifications:
- Tip Diameter: 5.0mm
- Working Length: 52mm
- Overall Length: 86mm
- Compliance: DIN 338 RN / BS328 / ISO 235 standards.
This drill bit is engineered for precision and reliability, even in the most demanding drilling scenarios.
- 0-2个工作日内发货
- 配送至 全球：6-7 个工作日*
- 免费配送
- Metalworking applications
- Aerospace manufacturing
- High-tensile material drilling
- Tip Diameter: 5.0mm
- Working Length: 52mm
- Overall Length: 86mm
- Compliance: DIN 338 RN, BS328, ISO 235 standards
- Weight: 0.35 oz
Always follow local regulations and product guidance.
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