Hand Taps for Cast Irons_FC-HT
Brand :
YAMAWA MFG
Caution
Product Description
■ The FC-HT is suitable for thread processing of hard and brittle materials such as cast iron. It is producedslightly oversized because wear is relatively fast in these materials.
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.
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.
of tapped holes until the GO thread gauge GP-6H measured a tight thread.
Dimensional Drawing
Two types of FC-HT