The Single Flute Chamfer Hog by AB Tools, Inc. was developed in 1982 for spot drilling and chamfer milling small slots in non-ferrous part materials. If used prior to drilling non-ferrous materials it performs well. If used as a countersink after the hole is drilled it is chatter prone.
They are not intended for use as a rotating cutter in ferrous materials since the 25º relief angle is too weak. However, in the more rigid lathe environment it can be used successfully to spot drill holes in ferrous materials. We spot drill our Accu-Holds (4340) in CNC Lathes at 900 RPM and .0005 IPR, with tool life of 200 holes per insert corner.
Using modified TFG-322 inserts so they clear at the point and smaller diameters. These chamfer tools can also be used to spot drill (except the CHA60-1*) and even cut V-slots. Intended for use in non-ferrous part materials only, they are used by customers with good success in ferrous materials too, especially stainless steels. Very versatile job shop tool.
It should never be used in a drill press. Proudly made in the USA by AB Tools, Inc.
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AB TOOLS, Inc.
Manufacturing High Performance Rotary Cutting Tools since 1977
1051 Aviation Blvd. | Lincoln, CA 95648
Toll Free: (866) 440-8665
Local: (916) 408-2442
Fax: (916) 993-3949
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