Dormer A777 HSCo Heavy-Duty Jobber Drill Bit 3.20mm

The Dormer A777 HSCo Heavy-Duty Jobber Drill Bit is engineered for demanding drilling applications where high temperatures are encountered. Manufactured from HSCo Cobalt steel, these drill bits feature a heavy-duty 135° split point, making them ideal for drilling tougher, high-tensile materials, especially in the Aerospace Industry. The thick web and standard right-hand helix flute geometry ensure both durability and efficiency.

Key Features:

• 135° split point (for sizes 1.50mm and above) reduces walking and increases precision.
• 118° conical point for smaller sizes (0.30mm - 0.95mm).
• 135° 4-facet point for sizes 1.00mm - 1.40mm.
• Bronze surface treatment enhances wear resistance and heat dissipation.
• Complies with DIN 338 RN / BS328 / ISO 235 standards.

Dimensions:

• Tip Diameter: 3.20mm
• Working Length: 36mm
• Overall Length: 65mm

With superior heat resistance and reduced walking, the Dormer A777 is perfect for professionals who require precision and longevity in heavy-duty drilling applications.