Dormer A777 Heavy-duty Jobber Drill 8.5mm

(£28.40 ex VAT) Price : £34.08 - Buy Now
Description:

• Dormer A777 Heavy-duty Cobalt jobber drill for use when greater heat is generated during drilling, e.g on higher tensile, tougher materials and in particular the Aerospace Industry.
• Specifications:
• Flute Geometry: Standard Helix, Right hand spiral, Thick Web
• Point Angle: 
• 0.30 mm - 0.95 mm 118° Conical point
• 1.00 mm to 1.40 mm inclusive 135° 4 facet point
• 1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Areospace Specification type P3 Point)
• Surface Treatment: Bronze
• Material: HSCo Cobalt steel
• DIN 338 RN / BS328 / ISO 235