Sandvik Coromant 6868378 CoroTurn® 111 Turning Insert, TPMT 221-KF 3225, T-Triangle, TPMT Insert, 3225, Carbide

TPMT Turning Inserts
1243519 MFG #: 6868378
Sandvik Coromant
13.47000 / ea
  • Alternate Catalog Number: TPMT 221-KF 3225
  • ANSI Code: TPMT 221-KF 3225
  • Catalog Number: 6868378
  • Corner Radius: 0.0156 in
  • Country of Origin: SE
  • Finish: CVD-TiCN+Al2O3+TiN Coated
  • Gross Weight Per Pack: 6.1900 lb
  • Hole Diameter: 0.1102 in
  • Included Angle: 60 °
  • ISO Code: TPMT 11 03 04-KF 3225
  • Item Group: 120
  • Length: 0.4329 in
  • Relief Angle: 11 °
  • Series: CoroTurn® 111
  • Thickness: 1/8 in
  • Type: 1-Sided Basic Shape
  • Stock Status: NONSTOCK
  • Brand: Sandvik Coromant
  • Manufacturer: Sandvik Coromant
  • Chipbreaker: KF
  • Cutting Direction: Neutral
  • For Use On: Cast Iron
  • Inscribed Circle: 1/4 in
  • Insert Size: 221
  • Insert Style: TPMT
  • Manufacturer's Grade: 3225
  • Material: Carbide
  • Material Grade: K
  • Maximum Depth of Cut: 0.067 in
  • Rake: Positive
  • Seat Size: 11
  • Shape: Triangle
QTY
  • Features
PR1225 grade superior wear and oxidation resistant MEGACOAT on micrograin carbide substrate
Light interrupted to interrupted cutting of stainless steel
+/-0.13 mm THK and +/-0.05 mm inscribed circle tolerance
ER treated cutting edge
Solid carbide is extremely heat-resistant and used for high speed applications on cast iron, non-ferrous materials, plastics and other tough-to-machine materials
For optimized internal turning operations requiring small cutting forces
The positive insert shape combines low cutting forces with good edge strength
The screw clamping ensures stability and unobstructed chip flow
0.05 - 0.2 mm/r cutting feed
20 life cycle state