Dormer A777 HSCo Heavy-Duty Jobber Drill Bit 1.50mm

The Dormer A777 HSCo Heavy-Duty Jobber Drill Bit (1.50mm) is engineered for precision drilling in high-tensile and tough materials, making it an ideal choice for demanding applications in industries such as aerospace.

This drill bit features a 135° split point geometry, designed to reduce walking and improve accuracy when starting the hole. The heavy-duty construction ensures durability and heat resistance, critical for prolonged use in challenging materials.

Key Features:

• Material: HSCo Cobalt steel, ensuring high heat resistance and longevity.
• Flute Geometry: Standard helix, right-hand spiral, and thick web for efficient chip removal.
• Surface Treatment: Bronze finish for enhanced wear resistance.
• Point Angle: 135° split point (NAS 907 Aerospace Specification P3 Point) for improved accuracy and reduced thrust force.

Specifications:

• Tip Diameter: 1.50mm
• Working Length: 18mm
• Overall Length: 40mm

Backed by Dormer’s reputation for quality, this drill bit meets DIN 338 RN / BS328 / ISO 235 standards, ensuring reliability and performance.