Description
Dormer A777 HSCo drill bit (10mm), 135° split point for high-tensile materials. Perfect for aerospace applications.
SKU: DOR1000COBBrand: Dormer
The Dormer A777 Metric Cobalt Jobber Drill Bitis designed for heavy-duty applications where greater heat is generated during drilling. This makes it particularly suitable for higher tensile, tougher materials and is widely used in the Aerospace Industry.
Featuring a 135° split point, the drill bit ensures efficient performance and reduced walking for precise hole starting. The HSCo Cobalt steel constructionoffers excellent heat resistance and durability, making it ideal for demanding drilling tasks.
Key Features
- ul]:my-0″>135° split point for reduced walking and better centring
- ul]:my-0″>Heavy-duty thick webconstruction for added strength
- ul]:my-0″>Bronze surface treatmentfor enhanced corrosion resistance and performance
- ul]:my-0″>Complies with DIN 338 RN, BS328, and ISO 235standards
Technical Specifications
- ul]:my-0″>Tip Diameter:10.0mm
- ul]:my-0″>Working Length:87mm
- ul]:my-0″>Overall Length:133mm
- ul]:my-0″>Flute Geometry:Standard Helix, Right-hand spiral
- ul]:my-0″>Surface Treatment:Bronze
- ul]:my-0″>Material:HSCo Cobalt steel
Point Angle Variations
- ul]:my-0″>0.30mm – 0.95mm: 118° Conical point
- ul]:my-0″>1.00mm – 1.40mm: 135° 4-facet point
- ul]:my-0″>1.50mm and above: 135° split point (Aerospace Spec P3)
This drill bit is an excellent choice for professional engineers and technicians working with stainless steel, alloy steel, and other high-strength materials.
Buy more, save more1 unit £33.35 -5% 2+ units£33.35£31.66 -8% 3+ units£33.35£30.84 -8% 4+ units£33.35£30.67 -8% 5+ units£33.35£30.65 -8% 6+ units£33.35£30.57 -11% 48+ units£33.35£29.792 moreoffersDrill BitApplications






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