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CoroTap® 200

CoroTap 200 feature spiral point taps for through holes designed to push the chips forward. The range includes versatile taps for various materials and optimized taps for specific materials and applications. Tailor Made and Advanced Engineered tools are available within the Customized solutions range.

The hole

For basic hole size calculations, use the appropriate formulas for cutting taps.
D = Hole diameter (mm, inch)
TD = Nominal thread diameter (mm, inch)
TP = Thread pitch (mm, inch)

  • Drill size for M10 × 1.5 cutting tap = 10-1.5 = 8.5 mm

The component

When the hole is analyzed, have a look at the workpiece material, component shape and quantity.

  • Machinability?
  • Material hardness?
  • Alloy elements?

The machine

The machine influences:

  • The type of operation
  • Which type of tool holders and/or collets to use

Always consider:

  • Machine stability
  • Spindle speed
  • Coolant volume and concentration
  • Workpiece clamping

Tool holding

The CoroChuck™ 970 is designed for stable and precise tapping in all materials. It improves tap tool life and surface quality, and offers the highest process security.

Application tips

Coolant

Coolant

Coolant is critical to a successful tapping operation. The coolant supply influences chip evacuation, thread quality and tool life.

Keys to a successful tapping operation

Keys to a successful tapping operation

To ensure a good tapping operation and a high-quality finished product, follow these steps.

Threading chamfer type

Threading chamfer type

The type of hole to be tapped determines which chamfer type is best suited for use. There is a B chamfer as standard.

Which tap and cutting speed should you choose?

Which tap and cutting speed should you choose?

General speeds can be found in the catalog; consider the recommendation as a safe start value.
For more precise cutting data, always use

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