TT-221 Grade TNC (TiN Coated) Carbide Insert

Model #: CI-TT-221-TNC

Price: $3.95

Description: TT-221 Grade TNC (TiN Coated) Carbide Insert, 1069-2900

• I.C.: 1/4"
• Radius: .015"
• Thickness: 1/8"
• Hole Diameter: .09"
• Made in USA.

Grade C5/C6 carbide with Titanium Nitride coating for greater wear resistance.
Inserts have positive rake and chipbreaker groove.
Our 3/8" shank indexable lathe turning tool holders use TT-221 or TT-222.
The I.C. dimension is the diameter of a circle that could be drawn within a triangular insert, touching the midpoint of each side.