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• Create the hole and thread in a single operation with no center drilling or countersinking • DT22HEX neck design significantly reduces drill & tap breakage while the 135 degree split point permits both the hole and thread to be cut at high speeds • Available in standard, metric and machine screw sizes • Superior strength & durability is provided by high molybdenum high speed steel while the functional black and gold surface treatment holds lubricant for smoother drilling • 1/4" and 11/32" hex shank can be used in Champion QCD (quick change driver.) • Ideal for construction, electrical, maintenance, industrial and automotive applications • Suitable for drilling and threading in aluminum, steel & stainless steel, bronze, brass, cast iron and zinc
Champion DT22Hex combination drill and tap create holes and taps in a single operation with no center drilling or punching necessary. They can be used in corded, cordless and impact drills.
Good product, but Greenlee Dtap is cheaper and better, and you can buy them individually or in a set. The set is best way to go. Read morePublished on July 18, 2013 by dporter
This is a very efficient to use product. I got to use it with Aluminum and mild steel, But I made some testing with Aluminum, Mild Steel & SS-304 and it the M6 toll is broken with... Read morePublished on September 23, 2011 by Mohamed