[4mm 3pc]
[2mm 3pc]
Your satisfaction is our utmost concern, please feel free to contact us for any questions and concerns. Flute Length: 1.6 inches (40 mm). Overall Length: 3.1 inches (80 mm). Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. , ductile iron, Gray cast iron, die steel, heat resistant alloy steel, tool steel. HRC55 tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. Drilling, or Hole making, is the most common metalworking operation in the world, Twist drill bits are the most common type of drill bit used. Twist dr