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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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Style	Model	Decimal Equivalent	Flute Length	Overall Length	Shank Dia.	Price (ex. VAT)
A	17203438	0.3438	8"	10"	11/32"	€303.23
A	17204375	0.4375	9"	11"	7/16"	€380.17
A	17205000	0.5000	9.75"	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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CJT KOOLCARB Style 172, Carbide-Tipped Extra Long Drill Bit, Uncoated Finish

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