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Product information

Description

A777 Metric Cobalt Jobber Drill Bits have a heavy-duty, 135° split point for use when greater heat is generated during drilling, e.g on higher tensile tougher materials and in particular the Aerospace Industry. Specification 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 235Tip diameter: 10.50mm.
Working length: 87mm.
Overall length: 133mm.

Features

  • Brand
    DORMER
  • Width
    10 cm
  • Diameter
    10.5 mm
  • Weight
    110 g
  • Material
    HSS
Advice from

Drill buying guide

From hammer drills to drill drivers, your choice of drill will come down to the type of tasks you want to complete. For example, a cordless drill is better for driving screws while a corded drill is best suited to drilling. Read on for our tips on picking the right torque, RPM, impact rate, battery and chuck type.
Drill buying guide
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