Dorian Tool - Ultra-Precision V-Flange Tooling
Precision Balanced to 12,000 RPM

• .0001” Taper-Bore Runout Tolerance. Means more cutting tool life and better surface finish.
• Made of 8620 Alloy Steel with Case Hardness of 56-60 HRC and Core Hardness of 36-40 HRC. Translates into durabality and rigidity.
• Tapers Ground to AT-3 Specifications or BETTER.Ensures precise fit with max contact surface area with machine spindle. Translates into more cutting tool life and better surface finish.
• H5 Bore Tolerance for air-tight fit provides maximum contact surface area. Provides a very close tolerance fit with minimum runout between the tool holder’s bore and the cutting tool. Translates into more cutting tool life and better surface finish.
• Thru Coolant Feature. Thru Hole of the toolholder allows the use of Thru Coolant Tools when used with a Thru Coolant retention knob.
• Made In Italy.