
Sumitomo
TNMA220412 Solid Carbide Insert, Grade AC420K, Coated - Sumitomo 191R845
MFR# 191R845ISO/ANSI# TNMA220412Series TN
$13.19List $16.91
Save 21%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
IC1/2
ShapeTriangle
GradeAC420K
MaterialSolid Carbide
CoatingCoated
Description
The Sumitomo 191R845 is a TNMA220412 solid carbide indexable insert, grade AC420K, Coated coated. Suited for cast iron.
Specifications
Ansi codeTNMA433
Chip breakerA
Clearance codeN
Coating finishCoated
Coating processCVD
Corner radius in3/64
Hole diameter0.2031
Included angle60.0
Inscribed circle in1/2
Insert holding methodClamp; Pin
Insert length0.8661
Insert materialSolid Carbide
Insert shapeTriangle
Insert size code433
Insert styleTNMA
Insert thickness in3/16
Iso codeTNMA220412
Manufacturer gradeAC420K
Primary workpiece materialCast Iron
RakeNegative
Relief angle0
StandardsANSI; ISO 13399
Tolerance codeM
Can't find your exact tool?Send us a part number — we'll cross-reference it.
Dull tools?Regrinding extends tool life and saves cost.
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.
