Dormer A777 Heavy-Duty HSCo Cobalt Jobber Drill Bit 1/8in 65mm
Dormer A777 1/8in HSCo Cobalt Drill Bit for aerospace & high-tensile materials. High heat resistance, heavy-duty split point, industrial standards.
The **Dormer A777 Heavy-Duty HSCo Cobalt Jobber Drill Bit** is engineered for demanding drilling applications where high temperatures are generated. Made from premium **HSCo Cobalt Steel**, it offers exceptional durability and heat resistance, particularly suited for tough, high-tensile materials commonly found in aerospace applications.
Features & Benefits
- Heavy-duty 135° split point reduces thrust force required and improves accuracy
- Right-hand spiral thick web flute geometry enables efficient chip removal
- Bronze surface treatment enhances performance and longevity
- Aerospace-grade quality compliant with NAS 907 specification
Point geometry varies by size:
- 0.30mm - 0.95mm: 118° conical point
- 1.00mm - 1.40mm: 135° 4 facet point
- 1.50mm and above: Precision 135° split point
This drill bit complies with DIN 338 RN, BS328, and ISO 235 standards, guaranteeing professional-grade performance for industrial and professional users.
With a working length of 36mm and overall length of 65mm, this 1/8in diameter drill bit provides excellent control in confined spaces while maintaining sufficient drill depth capability.
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- Aerospace industry
- High-tensile materials
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- HSCo Cobalt Steel construction
- 135° split point
- Right-hand spiral thick web flute geometry
- Bronze surface treatment
- Complies with DIN 338 RN, BS328, and ISO 235 standards
- 1/8in diameter
- Overall length: 65mm
- Working length: 36mm
- Compliant with NAS 907 specification
- Heat resistance
Always follow local regulations and product guidance.
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