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CJT KOOLCARB Style 172, Carbide-Tipped Extra Long Drill Bit, Uncoated Finish


CJT Koolcarb Style 172 drill bits are ideal for drilling deep holes in tough materials in the aerospace, automotive, oil & gas industries.

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CJT KOOLCARB 17203438A
StyleModelDecimal EquivalentFlute LengthOverall LengthShank Dia.Price (ex. VAT)
A
17203438		0.34388"10"11/32"€303.23
A
17204375		0.43759"11"7/16"€380.17
A
17205000		0.50009.75"12"1/2"€368.52

Features

  • CJT Koolcarb Style 172 extra long drill bits have carbide tips for improved surface finish.
  • They have a 125-degree drill bit point angle for quick & easy drilling on tough surfaces.
  • These extra-long drill bits contain two coolant holes that help to reduce heat and clean dust during drilling.
  • They have straight flutes that are ideal for chip removal & help to maintain accuracy in drilling.

Frequently Asked Questions

What is the flute of the drill?

The flute of a drill is the spiral groove on the body of the drill bit that aids in chip removal during drilling.

How to choose the right drilling bits?

  • Determine the sizes of the hole you need to drill & choose a drill bit with a diameter that matches your desired hole size.
  • Consider the type of drill you will be using and choose a drill bit with a shank that is compatible with your drill.

What safety precautions should be taken while using these extra-long drill bits?

  • Wear appropriate personal protective equipment such as safety glasses & gloves.
  • Handle the drill bits carefully to avoid damage & injury.
  • Securely clamp or hold the workpiece in place before drilling.
  • Use the drill bits at the recommended speed & apply steady pressure.
  • Consider using a coolant or lubricant for prolonged or intense drilling.
  • Regularly inspect & replace damaged or worn drill bits.

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