Sumitomo

CNMA120408 Solid Carbide Insert, Grade AC420K, Coated - Sumitomo 191R271

MFR# 191R271ISO/ANSI# CNMA120408Series CN

$11.18List $14.33 Save 21%
In stock - ships in 1-3 business days
Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
IC1/2
ShapeDiamond
GradeAC420K
MaterialSolid Carbide
CoatingCoated

Description

The Sumitomo 191R271 is a CNMA120408 solid carbide indexable insert, grade AC420K, Coated coated. Suited for cast iron.

Specifications

Ansi codeCNMA432
Chip breakerA
Clearance codeN
Coating finishCoated
Coating processCVD
Corner radius in1/32
Hole diameter0.2031
Included angle80.0
Inscribed circle in1/2
Insert holding methodClamp; Pin
Insert length0.5790
Insert materialSolid Carbide
Insert shapeDiamond
Insert size code432
Insert styleCNMA
Insert thickness in3/16
Iso codeCNMA120408
Manufacturer gradeAC420K
Primary workpiece materialCast Iron
RakeNegative
Relief angle0
StandardsANSI; ISO 13399
Tolerance codeM

Alternate & equivalent tools

Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.

Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.