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Dormer A777 HSCo Heavy-Duty Jobber Drill 10.00mm OL:133mm WL:87mm DOR1000COB

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Product information

Description

General description

This is a heavy-duty cobalt jobber drill bit designed for demanding drilling applications. It features a 135° split point for efficient cutting and reduced walking, making it suitable for tougher materials and high-temperature environments. The drill bit is ideal for use in industries such as aerospace and metalworking, providing precise and reliable performance.

Technical specifications

  • Material: HSCo Cobalt Steel
  • Tip Diameter: 10.0 mm
  • Overall Length: 133 mm
  • Working Length: 87 mm
  • Point Angles: 118° conical for sizes 0.30 mm - 0.95 mm; 135° split point for sizes 1.00 mm and above
  • Flute Geometry: Standard helix, right-hand spiral, thick web
  • Surface Treatment: Bronze
  • Compliance: DIN 338, BS 328, ISO 235

    • Compatibility and accessories

  • Compatible with standard drill chucks and drill presses
  • Suitable for drilling high-tensile materials, metals, and aerospace-grade components

    • Installation

  • Insert the drill bit into a compatible drill chuck
  • Secure tightly to prevent slipping during operation
  • Ensure the drill is set to appropriate speed for the material being drilled

    • Usage

  • Use with appropriate safety equipment such as goggles and gloves
  • Apply steady pressure during drilling for best results
  • Use cutting fluid or lubricant to reduce heat and prolong tool life

    • Features

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

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    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.
    Read our guide
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