
Sumitomo
NU-CNMA120404 Polycrystalline Cubic Boron Nitride Insert, Grade BN350 - Sumitomo 16GC253
MFR# 16GC253ISO/ANSI# NU-CNMA120404Series CNMA
$32.51List $41.69
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
IC1/2
ShapeDiamond
GradeBN350
MaterialPolycrystalline Cubic Boron Nitride
Description
The Sumitomo 16GC253 is a NU-CNMA120404 polycrystalline cubic boron nitride indexable insert, grade BN350. Suited for cast iron, hard material, superalloy.
Specifications
Ansi codeNUCNMA431
Chip breakerA
Clearance codeN
Coating processUncoated
Corner radius in1/64
Hole diameter0.2030
Included angle80.0
Inscribed circle in1/2
Insert handNeutral
Insert holding methodClamp; Pin
Insert length0.0984
Insert materialPolycrystalline Cubic Boron Nitride
Insert shapeDiamond
Insert size code431
Insert styleNU-CNMA
Insert thickness in3/16
Iso codeNU-CNMA120404
Manufacturer gradeBN350
Material gradeC2
Number of cutting edges1
Primary workpiece materialCast Iron; Hard Material; Superalloy
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.
