6-Flute TiN-coated Countersinks from Rushmore for Chatterless Operation. The straight shank countersink tool is made from M42 solid carbide with 8% Cobalt. It supports enlarging the opening of a hole on a wide range of difficult-to-machine workpiece materials. Thanks to Titanium Nitride (TiN) coating, it is performs well in heavy-duty countersinking, chamfering, or deburring. It is highly efficient in hole-making as the coating improves overall tool hardness and reduces the need for lubricants. The multiple flute design produces less chatter while machining. These countersinks are designed for both machine tools & portable equipment. Rushmore offers single flute countersinks in 11 standard sizes ranging from 1/8 inch to 1-1/4 inches with included angles 60�, 82�, 90�to fit most head screws. Models are available in overall tool length from 1-1/2 inches upto 3 inches and shank diameter sizes of 1/8 inch, 3/16 inch, 1/4 inch, 3/8 inch, and 1/2 inch. This USA Made brand offers quality affordable American-made tooling with the superior speed and feed that your applications require. A wide range of Rushmore USA Tools are available here and undergo a strict quality-check before they are listed on our product catalog. Rushmore's tools are perfect for all aerospace, medical, automotive, or production machining solutions.
TiN coating helps enhance productivity and extends tool life
Benefits
TiN coated for higher surface hardness and better lubricity.
Applications
Excellent for countersinking abrasive, high strength, heat resistant and other difficult to machine materials.