Hand Taps for Cast Irons_FC-HT

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YAMAWA MFG

  • Some products are scheduled to be discontinued from October 2021. Depend on stock status, the end time will be changed. Please check the quotation and order screen for details.

[Features]
· Suitable for thread machining with brittle and hard materials such as cast iron, designed appropriately oversized to handle rapid wear.

Hand Tap for Cast Iron FC-HT

Hand Tap for Cast Iron FC-HT

Suitable for hard and abrasive materials such as cast irons. Considering comparatively quick wear, FC-HT is properly oversized.

Features

● The FC-HT tap adopts a unique cutting edge angle that is the most suitable for tapping cast iron material.
● The FC-HT taps are slightly oversize compared to the standard HT.
● To improve wear resistance, the FC-HT taps have a Nitriding surface treatment.

Hand Tap for Cast Iron FC-HT

TThe comparison below of tool life for a FC-HT tap and a standard HT tap.

The figure on the left is an example of a tool life comparison test when tapping in FC-250 cast iron with a M8X1.25 FCHT tap and standard HT of the same size. The chart represents the number
of tapped holes until the GO thread gauge GP-6H measured a tight thread.

Dimensional Drawing

Hand Tap for Cast Iron FC-HT

Two types of FC-HT