Dormer A777 HSCo Heavy-Duty Jobber Drill Bit, Cobalt Steel, 4.80mm
Durable Dormer A777 HSCo jobber drill bit (4.80mm) for high-tensile materials & aerospace applications. Meets DIN/BS/ISO standards.
The Dormer A777 HSCo Heavy-Duty Jobber Drill Bit is engineered for precision and durability, making it an essential tool for professionals working with tougher materials. Crafted from HSCo cobalt steel, this drill bit is designed to withstand higher temperatures, making it ideal for demanding applications such as in the aerospace industry.
Features:
- 135° split point design for reduced walking and improved accuracy
- Heavy-duty construction for enhanced durability in high-tensile materials
- Standard helix flute geometry with right-hand spiral and thick web for optimal chip evacuation
- Bronze surface treatment for reduced friction and longer tool life
- Complies with DIN 338 RN / BS328 / ISO 235 standards
Specifications:
- Material: HSCo cobalt steel
- Surface Treatment: Bronze
- Tip Diameter: 4.80mm
- Working Length: 52mm
- Overall Length: 86mm
Whether you're working in aerospace or other high-precision industries, the Dormer A777 HSCo Heavy-Duty Jobber Drill Bit delivers exceptional performance and reliability.
- High-tensile materials
- Aerospace industry applications
- Precision metal drilling
- Industrial fabrication
- Material: HSCo Cobalt Steel
- Surface Treatment: Bronze
- Flute Geometry: Standard Helix, Right-Hand Spiral, Thick Web
- Point Angle (Size-Dependent): 118° Conical Point (0.30mm–0.95mm) | 135° 4-Facet Point (1.00mm–1.40mm) | 135° Split Point (1.50mm+)
- Tip Diameter: 4.80mm
- Working Length: 52mm
- Overall Length: 86mm
- Weight: 10g
Always follow local regulations and product guidance.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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