Silver & Deming Cobalt 1/2" Reduced Shank
Type 280-D Cobalt 1/2" Reduced Shank 135° Split Point
— Gold Oxide – use in drilling hard tough metals,
free machining stainless steel, high temperature alloys, titanium.
— High red hot hardness of cobalt steel permits speeds 30% higher than
regular high speed steel drills.
— Cobalt increases the strength of the steel and makes it more heat-resistant.
— Cobalt drills require rigidly held, positive feed drilling equipment.
— Proudly manufactured in the USA
with globally sourced material
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